1. Department of Sport MedicineNorwegian School of Sport Sciences Oslo Norway
2. Department of Medical Informatics, Biometry and Epidemiology (IBE)Ludwig‐Maximilians‐Universität München Munich Germany
3. Epidemiology, Biostatistics and Public Health InstituteUniversity of Zürich Zurich Switzerland
4. Center of Research in Childhood Health (RICH)University of Southern Denmark Odense Denmark
5. School of Social and Community MedicineUniversity of Bristol Bristol UK
6. Exercise and Health Laboratory, CIPER, Fac Motricidade HumanaUniversidade de Lisboa Lisbon Portugal
7. Faculty of Education, Arts and SportWestern Norway University of Applied Sciences Sogndal Norway
8. Norwegian Institute for Public Health Oslo Norway