| Affiliation: | 1. COPSAC: Copenhagen Prospective Studies on Asthma in Childhood, Copenhagen University Hospital, , Gentofte, Denmark;2. The Danish Pediatric Asthma Center, Copenhagen University Hospital, , Gentofte, Denmark;3. Department of Pediatric Pulmonology and Pediatric Allergology, Beatrix Children's Hospital, University Medical Center Groningen, Griac research institute, University of Groningen, , Groningen, the Netherlands;4. Department of Pulmonary Medicine and Tuberculosis, University Medical Center Groningen, , Groningen, The Netherlands;5. Department of Clinical Biochemistry, Lillebaelt Hospital, , Vejle, Denmark;6. Department of Epidemiology, University Medical Center Groningen, Griac Research Institute, University of Groningen, , Groningen, The Netherlands;7. Center for Applied Genomics and Division of Human Genetics, The Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, , Philadelphia, PA, USA |
