| Articles Elevated serum calprotectin (S100A8/A9) in patients with severe asthma T Decaesteker, S Bos, N Lorent, S Everaerts, J Vanoirbeek, D Bullens & LJ Dupont Pages: 1-9 | DOI: 10.1080/02770903.2021.1914649 The association of co-morbid asthma and overweight/obese status with healthcare utilization and caregiver perception of health in children 4-17 years, an NHANES study Houlin Hong MPH, Wei Hou PhD, Sharanjit Kaur MPH & Josette M Bianchi-Hayes MD Pages: 1-12 | DOI: 10.1080/02770903.2021.1914651 Sleep and Asthma Management in Youth with Poorly-Controlled Asthma and Their Caregivers: A Qualitative Approach Corinne Evans B.S., Andrea Fidler M.S., Dawn Baker APRN, CCRC, Mary Wagner M.D. & David Fedele PhD, ABPP Pages: 1-13 | DOI: 10.1080/02770903.2021.1914650 A Step-Down Experience in Asthma Treatment: A Retrospective Cohort Study Betül Özdel Öztürk, Zeynep Çelebi Sözener, Ömür Aydin & Dilsad Mungan Pages: 1-11 | DOI: 10.1080/02770903.2021.1895211 Research Article Analysis of the GSTP1 rs1695 polymorphism association with the development of asthma and phenotypic manifestations Guzel F. Mukhammadiyeva phd, Akhat B. Bakirov phd, md, Denis O. Karimov phd, md, Munira M. Ziatdinova msc, Yana V. Valova msc, Alla I. Borisova md & Albina A. Distanova md Pages: 1-5 | DOI: 10.1080/02770903.2021.1910295 Association between asthma and influenza vaccine uptake among US adolescents: a retrospective survey study Nga Tran md, Lindsay Cortright ma, Cierra Buckman mhs, Dmitry Tumin phd & Salma Syed do Pages: 1-7 | DOI: 10.1080/02770903.2021.1908349 |