[1] Aristotle Univ Thessaloniki, AHEPA Hosp, Dept Internal Med, Infect Dis Unit, GR-54006 Thessaloniki, Greece
[2] Aristotle Univ Thessaloniki, G Papanikolaou Gen Hosp, Dept Pulm, GR-54006 Thessaloniki, Greece
[3] Democritus Univ Thrace, Univ Gen Hosp Alexandroupolis, Dept Surg, Alexandroupolis, Greece
[4] Laiko Univ Gen Hosp, Dept Hematol, Athens, Greece
[5] Thriassio Gen Hosp Athens, Dept Obstet Gynecol, Athens, Greece
[6] Theiageneio Anticancer Hosp, Dept Internal Med, Thessaloniki, Greece
[7] Aristotle Univ Thessaloniki, G Papanikolaou Gen Hosp, Dept Thorac Surg, GR-54006 Thessaloniki, Greece