1. Early Start, University of Wollongong, Wollongong, Australia
2. Illawarra Health and Medical Research Institute, Wollongong, Australia
3. PROFITH (Promotingfitness and Health through Physical Activity) Research Group, Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada, Spain
4. Research Unit for Sport and Physical Activity, University of Coimbra, Coimbra, Portugal
5. Research Centre in Physical Activity, Health and Leisure, University of Porto, Porto, Portugal