[1] Hippokrateion Hosp, Natl Peripheral Histocompatibil Ctr, Thessaloniki, Greece
[2] Aristotle Univ Thessaloniki, Biochem Lab, Thessaloniki, Greece
[3] Aristotle Univ Thessaloniki, Sch Med, Hippokrat Gen Hosp, Internal Med Dept 4, Thessaloniki, Greece
[4] Aristotle Univ Thessaloniki, Sch Med, Hippokrat Gen Hosp, Solid Organ Transplantat Ctr, Thessaloniki, Greece