[1] Univ Patras, Med Sch, Publ Hlth, Patras, Greece
[2] Frederick Univ, Postgrad Program Hlth Management, Nicosia, Cyprus
[3] Hlth Ctr, Gen Practice, Andravida, Greece
[4] Univ Hosp Patras, Psychiat, Patras, Greece
[5] Gen Hosp Athens Hippocratio, Emergency, Athens, Greece