1. Department of Paediatrics and Adolescent Medicine Lillebaelt Hospital, University Hospital of Southern Denmark Kolding Denmark
2. Section of Epidemiology, Department of Public Health University of Copenhagen Copenhagen Denmark
3. Department of Genetics University Medical Center Groningen, University of Groningen Groningen The Netherlands
4. Karolinska Institutet Department of Molecular Medicine and Surgery Stockholm Sweden
5. Department of Knowledge Brokers THL Finnish Institute for Health and Welfare Helsinki Finland
6. Faculty of Life and Health Sciences Ulster University Belfast UK
7. Population Health Research Institute, St George's, University of London London UK