[1] Univ Thessaly, Dept Phys Educ & Sport Sci, FAME Lab, Trikala, Greece
[2] Kings Coll London, Fac Life Sci & Med, Ctr Human & Appl Physiol Sci, London, England
[3] UiT Arctic Univ Norway, Dept Community Med, Tromso, Norway
[4] Univ Oulu, Res Unit Populat Hlth, Oulu, Finland