Department of Life and Health Sciences,University of Nicosia,Nicosia CY 1700,Cyprus;
the Cyprus Institute of Neurology and Genetics,Nicosia CY 1683,Cyprus;
Hemodialysis Unit,Larnaca General Hospital,Larnaca CY 6021,Cyprus;
Hemodialysis Unit,Limassol General Hospital,Limassol CY 3304,Cyprus;
School of Medicine,University of Thessaly,41110 Larisa,Greece;
Faculty of Sport and Health Sciences,University of St Mark and St John,Plymouth PL6 8BH,United Kingdom;