1. Deporte y Entrenamiento Research Group, Sports Department, Facultad de
Ciencias de la Actividad Física y del Deporte, Universidad
Politécnica de Madrid, Madrid (Spain)
2. Escuela de Ciencias del Movimiento Humano y Calidad de Vida,
Universidad Nacional de Costa Rica, Heredia, Costa Rica
3. School of Sport and Health Sciences – Youth Physical
Development Centre, Cardiff Metropolitan University, Cardiff, United Kingdom of
Great Britain and Northern Ireland
4. Athlete Development and Youth Sport (ADYS) Lab, Research Centre for
Life and Sport Sciences (CLaSS), Birmingham City University, Birmingham, United
Kingdom