Author(s)
Janwillem Kocks1, Heinze Andringa2, Ellen van Heijst3, Renoud Louis4, Iñigo Ojanguren Arranz5, Ronald Riemersma6, Dermot Ryan7, Omar Usmani8, Bertine Flokstra-de Blok9 1General Practitioners Research Institute, Groningen, the Netherlands ; University of Groningen, University Medical Center Groningen, GRIAC Research Institute, Groningen, The Netherlands ; Observational and Pragmatic Research Institute, Singapore, 2General Practitioners Research Institute, Groningen, the Netherlands ; University of Groningen, University Medical Center Groningen, GRIAC Research Institute, Groningen, The Netherlands, 3University of Groningen, University Medical Center Groningen, GRIAC Research Institute, Groningen, The Netherlands ; Certe Laboratories, Groningen, The Netherlands, 4Pneumology Department, CHU Liège, Domaine universitaire du Sart-Tilman, B35, B4000, Liège, Belgium, 5Servei de Pneumología, Hospital Universitari Vall d'Hebron, Departament de Medicina, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain ; Vall d'Hebron Institut de Recerca (VHIR), Barcelona, Spain ; CIBER de Enfermedades Respiratorias (CIBERES), Barcelona, Spain, 6Health centre Overdiep, Appingedam, the Netherlands, 7Usher Institute, University of Edinburgh, U.K., 8Imperial College London, U.K., 9General Practitioners Research Institute, Groningen, the Netherlands ; University of Groningen, University Medical Center Groningen, GRIAC Research Institute, Groningen, The Netherlands ; University of Groningen, University Medical Center Groningen, Beatrix Children's Hospital, Department of Pediatric Pulmonology and Pediatric Allergology, Groningen, The Netherlands