1. 2nd Department of Internal Medicine, General Oncological Hospital of Kifissia “Ag. Anargyroi”, Kifissia, 145 64 Athens, Greece
2. Department of Nuclear Medicine, General Oncological Hospital of Kifissia “Ag. Anargyroi”, Kifissia, 145 64 Athens, Greece
3. Department of Radiology, General Oncological Hospital of Kifissia “Ag. Anargyroi”, Kifissia, 145 64 Athens, Greece