title: Defining airflow obstruction.
authors: Dept of Pulmonary Diseases and Dept of Paediatrics, Division of Respiratory Medicine, Erasmus University Medical Centre - Sophia Children's Hospital, Rotterdam, The Netherlands pquanjer@gmail.com.
authors: Philip H
authors: PH
authors: Quanjer
authors: University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital Birmingham, Edgbaston, Birmingham, UK.
authors: Brendan
authors: B
authors: Cooper
authors: Pulmonary, Critical Care and Sleep Medicine, St Louis University School of Medicine, St Louis, MO, USA.
authors: Gregg L
authors: GL
authors: Ruppel
authors: Respiratory Medicine, Christchurch Hospital, Canterbury District Health Board, Christchurch, New Zealand.
authors: Maureen P
authors: MP
authors: Swanney
authors: Respiratory, Critical Care and Anaesthesia section, UCL Institute of Child Health, London, UK.
authors: Janet
authors: J
authors: Stocks
authors: Pulmonary and Critical Care Medicine, University of Washington, Seattle, WA, USA.
authors: Bruce H
authors: BH
authors: Culver
authors: Allergy Immunology and Respiratory Medicine, The Alfred Hospital and Monash University, Melbourne, Australia.
authors: Bruce R
authors: BR
authors: Thompson
mesh_terms: D001249:Asthma / Q000175:diagnosis* / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000453:epidemiology*