1. University of Jyväskylä, Department of Health Science, Jyväskylä, Finland
2. Victoria University, Institute of Sport, Exercise and Active Living (ISEAL) and School of Sport and Exercise Science, Victoria, Australia
3. University of Oulu, Department of Medical Rehabilitation, Oulu University Hospital and Institute of Health Sciences, Oulu, Finland
4. University of Helsinki, Department of Public Health, The Hjelt Institute and Institute for Molecular Medicine, Helsinki, Finland
5. University of Jyväskylä, Department of Sport Sciences, Jyväskylä, Finland