[1] Univ Athens, Sch Med, Dept Clin Therapeut, GR-11527 Athens, Greece
[2] Hippocrateio Hosp, Dept Med Oncol, Athens, Greece
[3] Aristotle Univ Thessaloniki, Sch Med, Dept Med Oncol, Thessaloniki, Greece
[4] Univ Athens, Sch Med, Alexandra Hosp, Dept Clin Therapeut, GR-11527 Athens, Greece
[5] Univ Athens, Sch Med, Dept Clin Therapeut 1, GR-11527 Athens, Greece