1 Cardiff School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, UK.
2 Deakin University, Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Geelong, Australia.
3 Department of Public Health Sciences, Stockholm University, Sweden.
4 School of Educational Sciences and Psychology, University of Eastern Finland, Finland; Physical Activity for Health research cluster, Department of Physical Education and Sport Sciences, University of Limerick, Limerick, Ireland.
5 Department of Recreation and Leisure Studies, Faculty of Physical Culture, Palacký University Olomouc, Olomouc, Czech Republic.
6 Department of Health Psychology and Research Methodology, Faculty of Medicine, P. J. Safarik University, Kosice, Slovakia.
7 Arabkir Medical Centre, Institute of Child and Adolescent Health, Yerevan, Armenia.
8 National Center of Public Health of the Ministry of Health of the Republic of Kazakhstan, Almaty, Kazakhstan.