1Department of Women and Child’s Health, Institute of Translational Medicine, University of Liverpool, Liverpool, England
2Department of Respiratory Medicine, Academic Medical Center (AMC), University of Amsterdam, Amsterdam, The Netherlands
3Copenhagen Prospective Studies on Asthma in Childhood, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
4Department of Pediatrics, University Medical Centre Maribor, Maribor, Slovenia
5Centre for Human Molecular Genetics & Pharmacogenomics, Faculty of Medicine, University of Maribor, Maribor, Slovenia
6Division of Translational Therapeutics, Department of Pediatrics, Faculty of Medicine, University of British Columbia, BC Children’s Hospital and Research Institute, Vancouver, Canada
7Department of Biological Sciences, National University of Singapore, Singapore, & the Allergy & Immunology Division, Department of Paediatric Medicine, KK Children’s Hospital, Singapore, Singapore
8Asthma Center, Connecticut Children’s Medical Center, University of Connecticut Health Center, Connecticut, USA
9Department of Pediatrics, Division of Respiratory Medicine & Allergology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
10Department of Pediatric Pulmonology & Pediatric Allergology, University Medical Center Groningen, University of Groningen, Beatrix Children’s Hospital, Groningen, The Netherlands
11Groningen Research Institute for Asthma & COPD, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
12Research Unit, Hospital Universitario N.S. de Candelaria, Universidad de La Laguna, Santa Cruz de Tenerife, Spain
13CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
14Genomics Division, Instituto Tecnológico y de Energías Renovables (ITER), Santa Cruz de Tenerife, Spain
15Genomics and Health Group, Department of Biochemistry, Microbiology, Cell Biology and Genetics, Universidad de La Laguna, San Cristóbal de La Laguna, Santa Cruz de Tenerife, Spain
16Academic Department of Paediatrics, Brighton & Sussex Medical School, Royal Alexandra Children’s Hospital, Brighton, UK
17The Channing Division of Network Medicine, Department of Medicine, Brigham & Women’s Hospital & Harvard Medical School, Boston, MA 02115 USA
18Division of Pulmonary & Critical Care Medicine, Brigham & Women’s Hospital & Harvard Medical School, Boston, MA 02115 USA
19Department of Medical Informatics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
20Division of Pediatric Pulmonary Medicine, UPMC Children’s Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, PA USA
21Behavioral Sciences Research Institute, University of Puerto Rico, San Juan, Puerto Rico
22Department of Biostatistics, Institute of Translational Medicine, University of Liverpool, Liverpool, England
23Department of Molecular & Clinical Pharmacology, Institute of Translational Medicine, University of Liverpool, Liverpool, England
24Department of Respiratory Medicine, Alder Hey Children’s Hospital, Liverpool, England
25NIHR Alder Hey Clinical Research Facility, Alder Hey Children’s Hospital, Liverpool, England