[1] Aristotle Univ Thessaloniki, Sch Med, Dept Nucl Med 3, Papageorgiou Hosp, GR-54006 Thessaloniki, Greece
[2] Clin Cooperat Unit Nucl Med, Heidelberg, Germany
[3] Papageorgiou Hosp, Dept Nephrol, Thessaloniki, Greece
[4] Aristotle Univ Thessaloniki, Transplantat Clin, Sch Med, Hippokrat Hosp, GR-54006 Thessaloniki, Greece
[5] Aristotle Univ Thessaloniki, Dept Nucl Med 1, Sch Med, Hippokrat Hosp, GR-54006 Thessaloniki, Greece
[6] Aristotle Univ Thessaloniki, Clin Internal Med 1, Sch Med, AHEPA Hosp, GR-54006 Thessaloniki, Greece