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  1. Article ; Online: Effect of Hormone Replacement Therapy on Chronic Rhinosinusitis Management.

    Herrera, Kevin / Parikh, Miti / Vemula, Sahiti / Hur, Kevin

    The Laryngoscope

    2024  

    Abstract: Objectives: To investigate whether hormone replacement therapy (HRT) impacts health care resource utilization in the management of chronic rhinosinusitis (CRS) in older women.: Methods: Using the TriNetX US health record database, women 55 years or ... ...

    Abstract Objectives: To investigate whether hormone replacement therapy (HRT) impacts health care resource utilization in the management of chronic rhinosinusitis (CRS) in older women.
    Methods: Using the TriNetX US health record database, women 55 years or older with a diagnosis of CRS were included and followed for 3 years. The cohort was stratified into two groups: women who received HRT at the beginning of the study were compared to women who did not receive HRT. The groups were matched by age, race, ethnicity, history of asthma, and history of nasal polyps. Outcomes included whether the patient underwent endoscopic sinus surgery (ESS) and frequency of antibiotic use. Measures of association, Kaplan-Meier analysis, and cohort descriptive statistics were calculated.
    Results: Of the 65,400 women included, the mean age was 66.9 years. 27.0% and 3.6% of patients had a history of asthma or nasal polyps, respectively. Overall, 2.0% of CRS patients underwent ESS, with the HRT group less likely to undergo ESS [OR: 0.28; 95% CI: (0.25-0.32)] compared to patients who did not receive HRT. When stratified by polyp status, HRT patients with nasal polyps had a greater decrease in ESS rates compared to control than HRT patients without nasal polyps. The HRT group had a higher mean number of antibiotic prescriptions compared to the non-HRT group.
    Conclusion: HRT is associated with decreased utilization of ESS to treat CRS, with a greater effect size for ESS among CRSwNP patients. However, HRT was associated with higher antibiotic utilization.
    Level of evidence: Level 3 Laryngoscope, 2024.
    Language English
    Publishing date 2024-03-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 80180-x
    ISSN 1531-4995 ; 0023-852X
    ISSN (online) 1531-4995
    ISSN 0023-852X
    DOI 10.1002/lary.31433
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  2. Article ; Online: Impact of Age and Gender on Quality of Life Among General Otolaryngology Patients.

    Raj, Christine K / Kim, Ian / Reyes Orozco, Francis / Ma, Harrison J / Herrera, Kevin / Hur, Kevin

    The Laryngoscope

    2022  Volume 133, Issue 4, Page(s) 801–806

    Abstract: Objectives: The combined effects of age and gender on health-related quality of life (HRQoL) in otolaryngology patients are unclear. This study tested the hypothesis that the effect of age on HRQoL differs by gender in otolaryngology patients.: ... ...

    Abstract Objectives: The combined effects of age and gender on health-related quality of life (HRQoL) in otolaryngology patients are unclear. This study tested the hypothesis that the effect of age on HRQoL differs by gender in otolaryngology patients.
    Methods: Patients seen in a general otolaryngology clinic were included in this retrospective chart review. HRQoL was measured by the SF-6D score. Patient characteristics, including demographics and category of chief otolaryngology complaint, were extracted from medical records. A multivariable linear regression analysis was used to analyze the combined effect of age and gender on HRQoL. The model was adjusted for race, ethnicity, number of complaint categories, and number of medications.
    Results: The study included 728 patients (age mean = 52, SD = 18; 48% male). Multivariable linear regression models found a significant interaction effect between age and gender (β = 0.213, p < 0.05). For younger patients, female gender was protective; however, at age greater than 35 years, female gender was a risk factor for decreased HRQoL. Compared to Black patients, Asian and other race patients reported significantly greater HRQoL (β = 0.207, p < 0.05 for Asian; β = 0.126, p < 0.05 for other races). Additionally, an antagonistic interaction effect was found between age and number of category of otolaryngology complaints in moderating HRQoL (β = 0.468, p < 0.001).
    Conclusion: Age affects HRQoL differently in men than in women. Among otolaryngology patients, women experience a greater decrease in HRQoL as they age.
    Level of evidence: 4 Laryngoscope, 133:801-806, 2023.
    MeSH term(s) Humans ; Male ; Female ; Adult ; Quality of Life ; Retrospective Studies ; Risk Factors ; Ethnicity
    Language English
    Publishing date 2022-07-14
    Publishing country United States
    Document type Journal Article
    ZDB-ID 80180-x
    ISSN 1531-4995 ; 0023-852X
    ISSN (online) 1531-4995
    ISSN 0023-852X
    DOI 10.1002/lary.30295
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  3. Article ; Online: Effects of Language, Age, and Hearing Loss on Health-Related Quality of Life.

    Ma, Harrison J / Orozco, Francis Reyes / Raj, Christine K / Herrera, Kevin / Parsons, John C / Kim, Ian / Hur, Kevin

    OTO open

    2023  Volume 7, Issue 2, Page(s) e55

    Abstract: Objective: To understand the effect of age on health-related quality of life (HRQoL) in patients with hearing loss and determine how primary language mediates this relationship.: Study design: Cross-sectional study.: Setting: General ... ...

    Abstract Objective: To understand the effect of age on health-related quality of life (HRQoL) in patients with hearing loss and determine how primary language mediates this relationship.
    Study design: Cross-sectional study.
    Setting: General otolaryngology clinic in Los Angeles.
    Methods: Demographics, medical records, and HRQoL data of adult patients presenting with otology symptoms were reviewed. HRQoL was measured using the Short-Form 6-Dimension utility index. All patients underwent audiological testing. A path analysis was performed to generate a moderated path analysis with HRQoL as the primary outcome.
    Results: This study included 255 patients (mean age = 54 years; 55% female; 27.8% did not speak English as a primary language). Age had a positive direct association with HRQoL (
    Conclusion: Among otolaryngology patients with otology symptoms, older age and not speaking English as a primary language were associated with worse hearing and subsequently lower HRQoL.
    Language English
    Publishing date 2023-05-28
    Publishing country United States
    Document type Journal Article
    ISSN 2473-974X
    ISSN (online) 2473-974X
    DOI 10.1002/oto2.55
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  4. Article ; Online: Randomized placebo-controlled, double-blind clinical trial of nanoemulsion curcumin in women with aromatase inhibitor-induced arthropathy: an Alliance/NCORP pilot trial.

    Lustberg, Maryam / Fan-Havard, Patty / Wong, F Lennie / Hill, Kasey / Phelps, Mitch A / Herrera, Kevin W / Tsai, Ni-Chun / Synold, Timothy / Feng, Ye / Kalu, Chidimma / Sedrak, Mina S / Yee, Lisa D

    Breast cancer research and treatment

    2024  Volume 205, Issue 1, Page(s) 61–73

    Abstract: Purpose: Aromatase inhibitor (AI) therapy reduces risk of recurrence and death for postmenopausal women with breast cancer (BC); however, AI-induced arthralgia (AIIA) can lead to discontinuation of treatment. Curcumin, a bioactive polyphenolic substance, ...

    Abstract Purpose: Aromatase inhibitor (AI) therapy reduces risk of recurrence and death for postmenopausal women with breast cancer (BC); however, AI-induced arthralgia (AIIA) can lead to discontinuation of treatment. Curcumin, a bioactive polyphenolic substance, may help ameliorate inflammation-related conditions including osteoarthritis and pain.
    Methods: We conducted a multisite randomized placebo-controlled, double-blind pilot trial (Alliance A22_Pilot9) to evaluate the effects of nanoemulsion curcumin (NEC, 200 mg/day) in postmenopausal women experiencing AIIA for ≥ 3 months. The primary objective was to determine the feasibility of using Functional Assessment of Cancer Treatment-Endocrine Symptoms (FACT-ES) to detect changes from 0 (T0) to 3 months (T3) of NEC treatment in AI-induced symptoms and well-being; secondary objectives included evaluation of changes in Disabilities of the Shoulder, Arm, and Hand (DASH), Brief Pain Inventory-short form (BPI-SF), grip strength, and biomarkers at T0 and T3.
    Results: Forty-two patients were randomized to NEC or placebo; 34 women completed the 3-month study. Patient-reported outcome measures (PROMs: FACT-ES, DASH, BPI-SF) and biospecimens were collected at T0-T3 in > 80% of participants. Adherence was ≥ 90% for both arms. PROMs and grip strength did not differ significantly by treatment arm. Plasma curcumin was detected only in NEC arm participants. Serum estradiol and estrone levels were below detection or low on study agent. Gastrointestinal adverse effects were commonly reported in both arms.
    Conclusion: NEC versus placebo in a multisite randomized trial is feasible and well-tolerated. Additional studies with larger sample size are needed to further evaluate the efficacy and safety of NEC in treatment of AIIA.
    Clinicaltrials: gov Identifier: NCT03865992, first posted March 7, 2019.
    MeSH term(s) Humans ; Female ; Curcumin/therapeutic use ; Curcumin/administration & dosage ; Aromatase Inhibitors/adverse effects ; Aromatase Inhibitors/administration & dosage ; Pilot Projects ; Middle Aged ; Aged ; Breast Neoplasms/drug therapy ; Double-Blind Method ; Emulsions ; Treatment Outcome ; Postmenopause ; Arthralgia/chemically induced ; Arthralgia/drug therapy
    Chemical Substances Curcumin (IT942ZTH98) ; Aromatase Inhibitors ; Emulsions
    Language English
    Publishing date 2024-01-27
    Publishing country Netherlands
    Document type Journal Article ; Randomized Controlled Trial ; Multicenter Study
    ZDB-ID 604563-7
    ISSN 1573-7217 ; 0167-6806
    ISSN (online) 1573-7217
    ISSN 0167-6806
    DOI 10.1007/s10549-023-07223-4
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  5. Article ; Online: Intramolecular Hydrogen-Bond Interactions Tune Reactivity in Biomimetic Bis(μ-hydroxo)dicobalt Complexes.

    DeLucia, Alyssa A / Kelly, Kimberly A / Herrera, Kevin A / Gray, Danielle L / Olshansky, Lisa

    Inorganic chemistry

    2021  Volume 60, Issue 20, Page(s) 15599–15609

    Abstract: Active site hydrogen-bond (H-bond) networks represent a key component by which metalloenzymes control the formation and deployment of high-valent transition metal-oxo intermediates. We report a series of dinuclear cobalt complexes that serve as ... ...

    Abstract Active site hydrogen-bond (H-bond) networks represent a key component by which metalloenzymes control the formation and deployment of high-valent transition metal-oxo intermediates. We report a series of dinuclear cobalt complexes that serve as structural models for the nonheme diiron enzyme family and feature a Co
    MeSH term(s) Biomimetic Materials/chemical synthesis ; Biomimetic Materials/chemistry ; Cobalt/chemistry ; Hydrogen Bonding ; Molecular Structure ; Organometallic Compounds/chemical synthesis ; Organometallic Compounds/chemistry
    Chemical Substances Organometallic Compounds ; Cobalt (3G0H8C9362)
    Language English
    Publishing date 2021-10-04
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1484438-2
    ISSN 1520-510X ; 0020-1669
    ISSN (online) 1520-510X
    ISSN 0020-1669
    DOI 10.1021/acs.inorgchem.1c02210
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  6. Article ; Online: Energy-Resolved Photoconductivity Mapping in a Monolayer-Bilayer WSe

    Chu, Zhaodong / Han, Ali / Lei, Chao / Lopatin, Sergei / Li, Peng / Wannlund, David / Wu, Di / Herrera, Kevin / Zhang, Xixiang / MacDonald, Allan H / Li, Xiaoqin / Li, Lain-Jong / Lai, Keji

    Nano letters

    2018  Volume 18, Issue 11, Page(s) 7200–7206

    Abstract: Vertical and lateral heterostructures of van der Waals materials provide tremendous flexibility for band-structure engineering. Because electronic bands are sensitively affected by defects, strain, and interlayer coupling, the edge and heterojunction of ... ...

    Abstract Vertical and lateral heterostructures of van der Waals materials provide tremendous flexibility for band-structure engineering. Because electronic bands are sensitively affected by defects, strain, and interlayer coupling, the edge and heterojunction of these two-dimensional (2D) systems may exhibit novel physical properties, which can be fully revealed only by spatially resolved probes. Here, we report the spatial mapping of photoconductivity in a monolayer-bilayer WSe
    Language English
    Publishing date 2018-10-10
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ISSN 1530-6992
    ISSN (online) 1530-6992
    DOI 10.1021/acs.nanolett.8b03318
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  7. Article ; Online: Out-of-Plane Piezoelectricity and Ferroelectricity in Layered α-In

    Zhou, Yu / Wu, Di / Zhu, Yihan / Cho, Yujin / He, Qing / Yang, Xiao / Herrera, Kevin / Chu, Zhaodong / Han, Yu / Downer, Michael C / Peng, Hailin / Lai, Keji

    Nano letters

    2017  Volume 17, Issue 9, Page(s) 5508–5513

    Abstract: Piezoelectric and ferroelectric properties in the two-dimensional (2D) limit are highly desired for nanoelectronic, electromechanical, and optoelectronic applications. Here we report the first experimental evidence of out-of-plane piezoelectricity and ... ...

    Abstract Piezoelectric and ferroelectric properties in the two-dimensional (2D) limit are highly desired for nanoelectronic, electromechanical, and optoelectronic applications. Here we report the first experimental evidence of out-of-plane piezoelectricity and ferroelectricity in van der Waals layered α-In
    Language English
    Publishing date 2017-08-30
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ISSN 1530-6992
    ISSN (online) 1530-6992
    DOI 10.1021/acs.nanolett.7b02198
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  8. Article ; Online: A functional genomics screen identifying blood cell development genes in Drosophila by undergraduates participating in a course-based research experience.

    Evans, Cory J / Olson, John M / Mondal, Bama Charan / Kandimalla, Pratyush / Abbasi, Ariano / Abdusamad, Mai M / Acosta, Osvaldo / Ainsworth, Julia A / Akram, Haris M / Albert, Ralph B / Alegria-Leal, Elitzander / Alexander, Kai Y / Ayala, Angelica C / Balashova, Nataliya S / Barber, Rebecca M / Bassi, Harmanjit / Bennion, Sean P / Beyder, Miriam / Bhatt, Kush V /
    Bhoot, Chinmay / Bradshaw, Aaron W / Brannigan, Tierney G / Cao, Boyu / Cashell, Yancey Y / Chai, Timothy / Chan, Alex W / Chan, Carissa / Chang, Inho / Chang, Jonathan / Chang, Michael T / Chang, Patrick W / Chang, Stephen / Chari, Neel / Chassiakos, Alexander J / Chen, Iris E / Chen, Vivian K / Chen, Zheying / Cheng, Marsha R / Chiang, Mimi / Chiu, Vivian / Choi, Sharon / Chung, Jun Ho / Contreras, Liset / Corona, Edgar / Cruz, Courtney J / Cruz, Renae L / Dang, Jefferson M / Dasari, Suhas P / De La Fuente, Justin R O / Del Rio, Oscar M A / Dennis, Emily R / Dertsakyan, Petros S / Dey, Ipsita / Distler, Rachel S / Dong, Zhiqiao / Dorman, Leah C / Douglass, Mark A / Ehresman, Allysen B / Fu, Ivy H / Fua, Andrea / Full, Sean M / Ghaffari-Rafi, Arash / Ghani, Asmar Abdul / Giap, Bosco / Gill, Sonia / Gill, Zafar S / Gills, Nicholas J / Godavarthi, Sindhuja / Golnazarian, Talin / Goyal, Raghav / Gray, Ricardo / Grunfeld, Alexander M / Gu, Kelly M / Gutierrez, Natalia C / Ha, An N / Hamid, Iman / Hanson, Ashley / Hao, Celesti / He, Chongbin / He, Mengshi / Hedtke, Joshua P / Hernandez, Ysrael K / Hlaing, Hnin / Hobby, Faith A / Hoi, Karen / Hope, Ashley C / Hosseinian, Sahra M / Hsu, Alice / Hsueh, Jennifer / Hu, Eileen / Hu, Spencer S / Huang, Stephanie / Huang, Wilson / Huynh, Melanie / Javier, Carmen / Jeon, Na Eun / Ji, Sunjong / Johal, Jasmin / John, Amala / Johnson, Lauren / Kadakia, Saurin / Kakade, Namrata / Kamel, Sarah / Kaur, Ravinder / Khatra, Jagteshwar S / Kho, Jeffrey A / Kim, Caleb / Kim, Emily Jin-Kyung / Kim, Hee Jong / Kim, Hyun Wook / Kim, Jin Hee / Kim, Seong Ah / Kim, Woo Kyeom / Kit, Brian / La, Cindy / Lai, Jonathan / Lam, Vivian / Le, Nguyen Khoi / Lee, Chi Ju / Lee, Dana / Lee, Dong Yeon / Lee, James / Lee, Jason / Lee, Jessica / Lee, Ju-Yeon / Lee, Sharon / Lee, Terrence C / Lee, Victoria / Li, Amber J / Li, Jialing / Libro, Alexandra M / Lien, Irvin C / Lim, Mia / Lin, Jeffrey M / Liu, Connie Y / Liu, Steven C / Louie, Irene / Lu, Shijia W / Luo, William Y / Luu, Tiffany / Madrigal, Josef T / Mai, Yishan / Miya, Darron I / Mohammadi, Mina / Mohanta, Sayonika / Mokwena, Tebogo / Montoya, Tonatiuh / Mould, Dallas L / Murata, Mark R / Muthaiya, Janani / Naicker, Seethim / Neebe, Mallory R / Ngo, Amy / Ngo, Duy Q / Ngo, Jamie A / Nguyen, Anh T / Nguyen, Huy C X / Nguyen, Rina H / Nguyen, Thao T T / Nguyen, Vincent T / Nishida, Kevin / Oh, Seo-Kyung / Omi, Kristen M / Onglatco, Mary C / Almazan, Guadalupe Ortega / Paguntalan, Jahzeel / Panchal, Maharshi / Pang, Stephanie / Parikh, Harin B / Patel, Purvi D / Patel, Trisha H / Petersen, Julia E / Pham, Steven / Phan-Everson, Tien M / Pokhriyal, Megha / Popovich, Davis W / Quaal, Adam T / Querubin, Karl / Resendiz, Anabel / Riabkova, Nadezhda / Rong, Fred / Salarkia, Sarah / Sama, Nateli / Sang, Elaine / Sanville, David A / Schoen, Emily R / Shen, Zhouyang / Siangchin, Ken / Sibal, Gabrielle / Sin, Garuem / Sjarif, Jasmine / Smith, Christopher J / Soeboer, Annisa N / Sosa, Cristian / Spitters, Derek / Stender, Bryan / Su, Chloe C / Summapund, Jenny / Sun, Beatrice J / Sutanto, Christine / Tan, Jaime S / Tan, Nguon L / Tangmatitam, Parich / Trac, Cindy K / Tran, Conny / Tran, Daniel / Tran, Duy / Tran, Vina / Truong, Patrick A / Tsai, Brandon L / Tsai, Pei-Hua / Tsui, C Kimberly / Uriu, Jackson K / Venkatesh, Sanan / Vo, Maique / Vo, Nhat-Thi / Vo, Phuong / Voros, Timothy C / Wan, Yuan / Wang, Eric / Wang, Jeffrey / Wang, Michael K / Wang, Yuxuan / Wei, Siman / Wilson, Matthew N / Wong, Daniel / Wu, Elliott / Xing, Hanning / Xu, Jason P / Yaftaly, Sahar / Yan, Kimberly / Yang, Evan / Yang, Rebecca / Yao, Tony / Yeo, Patricia / Yip, Vivian / Yogi, Puja / Young, Gloria Chin / Yung, Maggie M / Zai, Alexander / Zhang, Christine / Zhang, Xiao X / Zhao, Zijun / Zhou, Raymond / Zhou, Ziqi / Abutouk, Mona / Aguirre, Brian / Ao, Chon / Baranoff, Alexis / Beniwal, Angad / Cai, Zijie / Chan, Ryan / Chien, Kenneth Chang / Chaudhary, Umar / Chin, Patrick / Chowdhury, Praptee / Dalie, Jamlah / Du, Eric Y / Estrada, Alec / Feng, Erwin / Ghaly, Monica / Graf, Rose / Hernandez, Eduardo / Herrera, Kevin / Ho, Vivien W / Honeychurch, Kaitlyn / Hou, Yurianna / Huang, Jo M / Ishii, Momoko / James, Nicholas / Jang, Gah-Eun / Jin, Daphne / Juarez, Jesse / Kesaf, Ayse Elif / Khalsa, Sat Kartar / Kim, Hannah / Kovsky, Jenna / Kuang, Chak Lon / Kumar, Shraddha / Lam, Gloria / Lee, Ceejay / Lee, Grace / Li, Li / Lin, Joshua / Liu, Josephine / Ly, Janice / Ma, Austin / Markovic, Hannah / Medina, Cristian / Mungcal, Jonelle / Naranbaatar, Bilguudei / Patel, Kayla / Petersen, Lauren / Phan, Amanda / Phung, Malcolm / Priasti, Nadiyah / Ruano, Nancy / Salim, Tanveer / Schnell, Kristen / Shah, Paras / Shen, Jinhua / Stutzman, Nathan / Sukhina, Alisa / Tian, Rayna / Vega-Loza, Andrea / Wang, Joyce / Wang, Jun / Watanabe, Rina / Wei, Brandon / Xie, Lillian / Ye, Jessica / Zhao, Jeffrey / Zimmerman, Jill / Bracken, Colton / Capili, Jason / Char, Andrew / Chen, Michel / Huang, Pingdi / Ji, Sena / Kim, Emily / Kim, Kenneth / Ko, Julie / Laput, Sean Louise G / Law, Sam / Lee, Sang Kuk / Lee, Olivia / Lim, David / Lin, Eric / Marik, Kyle / Mytych, Josh / O'Laughlin, Andie / Pak, Jensen / Park, Claire / Ryu, Ruth / Shinde, Ashwin / Sosa, Manny / Waite, Nick / Williams, Mane / Wong, Richard / Woo, Jocelyn / Woo, Jonathan / Yepuri, Vishaal / Yim, Dorothy / Huynh, Dan / Wijiewarnasurya, Dinali / Shapiro, Casey / Levis-Fitzgerald, Marc / Jaworski, Leslie / Lopatto, David / Clark, Ira E / Johnson, Tracy / Banerjee, Utpal

    G3 (Bethesda, Md.)

    2021  Volume 11, Issue 1

    Abstract: Undergraduate students participating in the UCLA Undergraduate Research Consortium for Functional Genomics (URCFG) have conducted a two-phased screen using RNA interference (RNAi) in combination with fluorescent reporter proteins to identify genes ... ...

    Abstract Undergraduate students participating in the UCLA Undergraduate Research Consortium for Functional Genomics (URCFG) have conducted a two-phased screen using RNA interference (RNAi) in combination with fluorescent reporter proteins to identify genes important for hematopoiesis in Drosophila. This screen disrupted the function of approximately 3500 genes and identified 137 candidate genes for which loss of function leads to observable changes in the hematopoietic development. Targeting RNAi to maturing, progenitor, and regulatory cell types identified key subsets that either limit or promote blood cell maturation. Bioinformatic analysis reveals gene enrichment in several previously uncharacterized areas, including RNA processing and export and vesicular trafficking. Lastly, the participation of students in this course-based undergraduate research experience (CURE) correlated with increased learning gains across several areas, as well as increased STEM retention, indicating that authentic, student-driven research in the form of a CURE represents an impactful and enriching pedagogical approach.
    MeSH term(s) Animals ; Blood Cells ; Drosophila/genetics ; Genomics/education ; Humans ; Students ; Universities
    Language English
    Publishing date 2021-02-12
    Publishing country England
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2629978-1
    ISSN 2160-1836 ; 2160-1836
    ISSN (online) 2160-1836
    ISSN 2160-1836
    DOI 10.1093/g3journal/jkaa028
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