Immunopathogenesis 
Elevated Th17 cell frequencies and Th17/Treg ratio are associated with airway hyperresponsiveness in asthmatic children
Rongying Zheng MD, Fangmin Wang MD, Yue Huang MD, Qiangwei Xiang MD, Huan Dai MD & Weixi Zhang MD, PhD
Pages: 707-716 | DOI: 10.1080/02770903.2020.1737710
Biomarkers 
Expression of herpesvirus entry mediator gene as a potential biomarker for disease severity in patients with persistent asthma
Yi Xiong PhD, Binbin Li MM, Yidan Zhang MM, Fei Shi PhD, Chen Qiu PhD, Lingwei Wang PhD, Jin Wang MM, Ying Le MM, Yujie Du MM, Can Yao MM, Sinian Li MM, Wenwen Liu MM, Dandan Chen MM & Mengjie Feng PhD
Pages: 717-724 | DOI: 10.1080/02770903.2020.1729382
Severe Asthma 
Impact of asthma severity on long-term asthma control
Shahid I. Sheikh MD, Nancy A. Ryan-Wenger RN, PHD, Judy Pitts MS, APN, Christopher J. Nemastil BA, BS & Sabrina Palacios MD
Pages: 725-734 | DOI: 10.1080/02770903.2020.1739703
Exercise Induced Asthma 
High incidence rate of asthma among elite endurance athletes: a prospective 4-year survey | Open Access
Tommie Irewall MD, Lars Söderström BSc, Anne Lindberg MD, PhD & Nikolai Stenfors MD, PhD
Pages: 735-741 | DOI: 10.1080/02770903.2020.1728769
Pediatric Asthma 
Parental quality of life and self-efficacy in pediatric asthma
Kristin Kan MD, MPH, MSc, Jamie Fierstein PhD, Kathy Boon MPH, Madeleine Kanaley BA, Patricia Zavos MPH, Anna Volerman MD, Deneen Vojta MD & Ruchi S. Gupta MD, MPH
Pages: 742-749 | DOI: 10.1080/02770903.2020.1731825
Co-morbid Conditions 
Impact of sinus surgery on type 2 airway and systemic inflammation in asthma | Open Access
Kazuki Hamada MD, Keiji Oishi MD, PhD, Ayumi Chikumoto MD, Keita Murakawa MD, Yuichi Ohteru MD, Kazuki Matsuda MD, Sho Uehara MD, Ryo Suetake MD, Shuichiro Ohata MD, Yoriyuki Murata MD, PhD, Yoshikazu Yamaji MD, Maki Asami-Noyama MD, Kosuke Ito MD, Nobutaka Edakuni MD, PhD, Tsunahiko Hirano MD, PhD & Kazuto Matsunaga MD, PhD
Pages: 750-758 | DOI: 10.1080/02770903.2020.1729380
Pharmacological interventions for the treatment of psychological distress in patients with asthma: a systematic review and meta-analysis
Liem Tran, Kelsey Sharrad BFNutrSc, Zoe Kopsaftis PhD, Helen M Stallman BSc, BPsych (hons), DClinPsych, PhD, Andrew Tai MBBS, FRACP, PhD, Nicola Spurrier MBBS, PhD, Adrian Esterman BSc (hons), MSc, PhD & Kristin Carson-Chahhoud MSPPM, PhD
Pages: 759-769 | DOI: 10.1080/02770903.2020.1731826
Risk Factors 
Infant wheezing and prenatal antibiotic exposure and mode of delivery: a prospective birth cohort study
Daleniece Higgins MPH, PhD, Wilfried Karmaus MD, MPH, Yu Jiang PhD, Pratik Banerjee PhD, Irshad M. Sulaiman MSc, MPhil, PhD & Hasan S. Arshad DM, FRCP
Pages: 770-781 | DOI: 10.1080/02770903.2020.1734023
Diagnosis 
Validation of the breathmobile case identification survey for asthma screening in children with sickle cell disease
Ashwin P. Patel MBBS, MPH, Soornela Krupani MD, James M. Stark MD, Ricardo A. Mosquera MD, Dorothy Kim Waller PhD, Traci Gonzales PNP, Deborah L. Brown MD, Trinh T. Nguyen DO, Cindy K. Jon MD & Aravind Yadav MD
Pages: 782-790 | DOI: 10.1080/02770903.2020.1729381
Diagnostic value of FeNO and MMEF for predicting cough variant asthma in chronic cough patients: methodological issues
Mehdi Naderi MSc & Siamak Sabour MD, PhD
Pages: 791-792 | DOI: 10.1080/02770903.2020.1741613
Pharmacotherapy 
Treatment patterns among non-active users of maintenance asthma medication in the United Kingdom: a retrospective cohort study in the Clinical Practice Research Datalink | Open Access
Daniel C. Gibbons MBBS, MPH, PhD, DFPH, FRSPH, Bhumika Aggarwal MBBS, MSc, MBA, Jolyon Fairburn-Beech MSc, David Hinds MHS, Monica Fletcher OBE, MSc, DipN, DipHV, Sinthia Bosnic-Anticevich BPharm, PhD & David Price MB, BChir, MA, DRCOG, FRCGP
Pages: 793-804 | DOI: 10.1080/02770903.2020.1728767
Clinical profile of severe asthmatics receiving biological treatment: see behind the scenes
Ourania S. Kotsiou MD, PhD, Konstantinos I. Gourgoulianis MD & Zoe Daniil MD
Pages: 805-807 | DOI: 10.1080/02770903.2020.1750629
Alternative Therapy 
Aqueous Pyrostegia venusta (Ker Gawl.) Miers extract attenuates allergen-induced asthma in a mouse model via an antioxidant mechanism
Andiamira Cagnoni Balestra MS, Camila Mira Sandy MS, Fernando Ramalho MD, Alceu Afonso Jordão Júnior PhD, Silvia Helena Taleb Contini PhD, Eduardo José Crevelin PhD, Fabio Carmona MD, Ana Maria S. Pereira PhD & Marcos C. Borges MD
Pages: 808-818 | DOI: 10.1080/02770903.2020.1728768
Education 
Providing individualized written asthma action plans during the pediatric emergency department visit
Justin Davis MD, FAAP & Laura Fitzmaurice MD
Pages: 819-824 | DOI: 10.1080/02770903.2020.1731824
Evaluation of a Spanish language version of the Asthma Trigger Inventory
Hernando Torres-Zevallos MD, Alfredo G. Guerreros MD, Juan C. Bazo-Alvarez MSc, German F. Alvarado MD, PhD, Karinna Vazquez PhD, Jonathan M. Feldman PhD & Thomas Ritz PhD
Pages: 825-833 | DOI: 10.1080/02770903.2020.1734022
Adherence 
Developing and pilot testing ASTHMAXcel, a mobile app for adults with asthma
Brian Hsia BA, Wenzhu Mowrey PhD, Taha Keskin MD, Sammy Wu BS, Rohit Aita BA, Lily Kwak BA, Denisa Ferastraoarou MD, David Rosenstreich MD & Sunit P. Jariwala MD
Pages: 834-847 | DOI: 10.1080/02770903.2020.1728770