1. Department of Public Health and Epidemiology; Institute of Public Health; Rīga Stradinš University; Rīga Latvia
2. Faculty of Sport and Health Sciences; University of Jyväskylä; Jyväskylä Finland
3. NHS Health Scotland; Edinburgh UK
4. Child and Adolescent Health Research Unit (CAHRU); School of Medicine; University of St Andrews; St Andrews UK
5. Faculty of Health; University of Technology Sydney; Ultimo New South Wales Australia
6. Department of Public Health and Paediatrics; School of Medicine; University of Torino; Torino Italy
7. Physical Education and Sport Sciences Department; University of Limerick; Limerick Ireland
8. Health Promotion and Education Centre; FMH/ISAMB; University of Lisbon; Lisbon Portugal