1 Department of Physical Education and Special Motricity, Transilvania University of Brasov, 500068 Brasov, Romania.
2 Escola Superior Desporto e Lazer, Instituto Politécnico de Viana do Castelo, Rua Escola Industrial e Comercial de Nun'Álvares, 4900-347 Viana do Castelo, Portugal.
3 Research Center in Sports Performance, Recreation, Innovation and Technology (SPRINT), 4960-320 Melgaço, Portugal.
4 Instituto de Telecomunicacoes, Delegacao da Covilha, 1049-001 Lisboa, Portugal.
5 Physiology and Biochemistry Department, Wroclaw University of Health and Sport Sciences, 51-612 Wroclaw, Poland.