1. Department of Economics and Business Economics and CIRRAU – Centre for Integrated Register‐based Research Aarhus University Aarhus Denmark
2. Department of Economics and Business Economics Aarhus University Aarhus Denmark
3. Department of Pediatrics and Adolescent Medicine Gødstrup Hospital Gødstrup Denmark
4. Department of Economics Kansas State University Manhattan Kansas USA
5. VIVE – The Danish Center for Social Science Research Aarhus Denmark
6. Pediatrics and Adolescent Department Copenhagen University Hospital Herlev Denmark