| This new issue contains the following articles: Commentary Is It Time to Leave Behind the Concept of Asthma Control and Severity Steps? Luis Javier Nannini MD Pages: 281-283 | DOI: 10.1080/02770903.2019.1690659 Genetic Determinants NAT1 genetic variation increases asthma risk in children with secondhand smoke exposure Cassandra C. Brooks MD, Lisa J. Martin PhD, Valentina Pilipenko PhD, Hua He MS, Grace K. LeMasters PhD, James E. Lockey MD, MS, David I. Bernstein MD, MS, Patrick H. Ryan PhD, Gurjit K. Khurana Hershey MD, PhD & Jocelyn M. Biagini Myers PhD Pages: 284-292 | DOI: 10.1080/02770903.2019.1694941 Environmental Determinants Crop burning and the prevalence of asthma and COPD emergency department treatments in a rural Arkansas county Christine Rutlen MD, MPH, Mohammed Orloff PhD, Joseph Bates MD, MS & Austin Porter DrPH, MPH Pages: 293-298 | DOI: 10.1080/02770903.2019.1708096 Biomarkers The peripheral blood inflammatory patterns in the control levels of asthma in children Orhan Coşkun MD, Nazli Ercan MD & Ilknur Bostanci MD Pages: 299-306 | DOI: 10.1080/02770903.2019.1698602 Diagnostics Diagnostic accuracy of periostin in predicting asthma: a systematic review and Meta-analysis Xinyu Jia BS, Shan Li BS, TingTing Xu BS, Ningfei Ji MD & Mao Huang MD Pages: 307-315 | DOI: 10.1080/02770903.2019.1684518 Exhaled TGF-β1 levels before and after an exercise challenge in asthmatic and healthy children, and during exacerbation Ozlem Keskin MD, Mehmet Yasar Ozkars MD, Bulent Gogebakan PhD, Ercan Kucukosmanoglu MD, Mehmet Keskin MD & Hasan Bayram MD Pages: 316-325 | DOI: 10.1080/02770903.2019.1689261 Diagnostic value of FeNO and MMEF for predicting cough variant asthma in chronic cough patients with or without allergic rhinitis Li-Chang Chen MD, Guan-Sheng Zeng MD, Ling-Ling Wu MD, Mei Zi MD, Ze-Kui Fang MD, Hui-Zhen Fan MD, PhD & Hua-Peng Yu MD, PhD Pages: 326-333 | DOI: 10.1080/02770903.2019.1694035 The sensitivity and specificity of the forced oscillation technique in the diagnosis of bronchoconstriction in children L. Starczewska-Dymek MD, A. Bozek MD, PhD & M. Mielnik MD Pages: 334-339 | DOI: 10.1080/02770903.2019.1702054 Therapeutics High frequency percussive ventilation as a rescue mode for refractory status asthmaticus – a case study David Albecker BS, RRT, RPFT, T. Glen Bouder MD & B. Franklin Lewis MD Pages: 340-343 | DOI: 10.1080/02770903.2019.1687714 Comparative safety and effectiveness of inhaled bronchodilators and corticosteroids for treating asthma–COPD overlap: a systematic review and meta-analysis Joseph Emil Amegadzie MSc, Jessica Gorgui MSc, Lily Acheampong MSc, John-Michael Gamble PhD, Jamie Farrell MD & Zhiwei Gao MD, PhD Pages: 344-359 | DOI: 10.1080/02770903.2019.1687716 Management Return on investment of self-management education and home visits for children with asthma Julie L. Swann PhD, Paul M. Griffin PhD, Pinar Keskinocak PhD, Ian Bieder MBA, Fatma Melike Yildirim MS, Tursynbek Nurmagambetov PhD, Joy Hsu MD, MS, Laura Seeff MD & Christa-Marie Singleton MD, MPH Pages: 360-369 | DOI: 10.1080/02770903.2019.1690660 Participant-level characteristics differ by recruitment setting when evaluating a behavioral intervention targeting adolescents with asthma Christine L. M. Joseph MPH, PhD, Prashant Mahajan MD, MPH, MBA, Stephanie Buzzelli-Stokes MD, Gordon Jacobsen MS, Dayna A. Johnson MPH, MS, MSW, PhD, Elizabeth Duffy MA, Renee Williams MSHS, Suzanne Havstad MA, Edward Zoratti MD, Dennis R. Ownby MD, Christine Cole Johnson PhD & Mei Lu PhD Pages: 370-377 | DOI: 10.1080/02770903.2019.1690661 Implementation of Ontario’s emergency department asthma care pathway for adults: determinants of uptake Chanel Kwok MD, Linda Levesque MSc, PhD, Yvonne DeWit MSc, Jennifer Olajos-Clow MSc, Carole Madeley MAppSc (RespSc), Mona Jabbour MD, MEd, Teresa To MSc, PhD & M. Diane Lougheed MD, MSc Pages: 378-385 | DOI: 10.1080/02770903.2019.1694940 Influence of social support on asthma self-management in adolescents Elizabeth Sloand PhD, CRNP, FAAN, FAANP, Arlene Butz ScD, MSN, CRNP, Hyekyun Rhee PhD, RN, PNP, FAAN, Leanne Walters PhD, LMSW, Kathleen Breuninger MSN, MPH, CPNP-PC, Rosario Alejandra Pozzo MSN, CPNP-PC, Christina Marie Barnes MSN, RN, CPNP-PC, Mona Newsome Wicks PhD, RN, FAAN & Laurene Tumiel-Berhalter PhD Pages: 386-394 | DOI: 10.1080/02770903.2019.1698601 A primary care learning collaborative to improve office systems and clinical management of pediatric asthma Stanley J. Weinberger MD, MS, Kelly J. Cowan MD, Keith J. Robinson MD, Christine A. Pellegrino MS, Barbara L. Frankowski MD, Michael V. Chmielewski BS, Judith S. Shaw EdD, MPH, RN & Valerie S. Harder MHS, PhD Pages: 395-404 | DOI: 10.1080/02770903.2019.1702199 Education Using community priorities and misconceptions about asthma as a vessel for community-led education among Hispanics Sonia N. Jacome MSCH, Christian Lopez-Padilla MD, Danielle Madera MHA, Jennifer Polo BA, Eun Ji Kim MD, Sean Dhar MD, Jason J. Wang PhD & Negin Hajizadeh MD, MPH Pages: 405-412 | DOI: 10.1080/02770903.2019.1692027 Nurse-delivered outpatient asthma education for children and caregivers: a pilot study to promote shared asthma management Sean M. Frey MD, MPH, Nicholas C. Contento BS, BA & Jill S. Halterman MD, MPH Pages: 413-421 | DOI: 10.1080/02770903.2019.1692028 |