[1] Natl & Kapodistrian Univ Athens, Dept Nursing, 1 A Dilou St, Athens 11527, Greece
[2] Frederick Univ, Sch Hlth Sci, Dept Nursing, 7 Y Frederickou Str, CY-1036 Nicosia, Cyprus
[3] Edinburgh Napier Univ, Sch Hlth & Social Care, 9 Sightill Ct, Edinburgh EH114BN, Scotland
[4] Univ West Attica, Dept Physiotherapy, 28 Agiou Spyridonos St, Athens 12243, Greece
[5] Natl & Kapodistrian Univ Athens, Sch Hlth Sci, Dept Nursing, 1 A Dilou St, Athens 11527, Greece