| Affiliation: | 1. Paediatric Department, Herlev Hospital, Herlev, Denmark;2. H.C. Andersen Children's Hospital, Odense University Hospital, Odense C, Denmark;3. Paediatric Department, Kolding Hospital, Kolding, Denmark;4. Paediatric Department, Aalborg University Hospital, Aalborg, Denmark;5. Section 6. of Biostatistics, Department of Public Health, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark;7. Paediatric Department, Regionshospitalet Viborg, Viborg, Denmark;8. Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark |
