1. Research Center in Sports Sciences, Health Sciences and Human Development, CIDESD, University of Maia, ISMAI, Maia, Portugal
2. Portugal Football School, Portuguese Football Federation, Oeiras, Portugal
3. Physical Education Department, College of Education, United Arab Emirates University, Al Ain, Abu Dhabi, United Arab Emirates
4. Research Center in Sports Sciences, Health Sciences and Human Development, CIDESD, Vila Real, Portugal