1. Laboratory of Research of Musculoskeletal System “Th. Garofalidis” (S.T., I.P., P.R., V.Z., A.G., G.P.L., N.P.), University of Athens, KAT Hospital, 14561 Athens, Greece
2. Department of Physical Education and Sports Science (E.M., I.G.F., M.M., D.L., A.A., M.K., N.A., A.K., I.D., K.T.), Democritus University of Thrace, 69100 Komotini, Greece