1. Research Center in Sports Sciences, Health Sciences and Human Development (CIDESD); Sport Science Department of Polytechnic Institute of Bragança; Bragança Portugal
2. Department of Kinesiology and Health Education; University of Texas at Austin; Austin TX US
3. Faculty of Sport; University of Porto; Porto Portugal
4. Escola Superior Desporto e Lazer de Melgaço; Instituto Politécnico de Viana do Castelo, and CIDESD; Viana do Castelo Portugal