1. Nuclear Medicine Department, Hippokration General Hospital, Thessaloniki, Greece
2. Division of Endocrinology and Metabolism, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, Ahepa University Hospital, Thessaloniki, Greece
3. Medical Statistics, Epirus Science and Technology Park Campus of the University of Ioannina, Ioannina, Greece
4. Nuclear Medicine Department, Theageneio Hospital, Thessaloniki, Greece
5. Second Academic Nuclear Medicine Department, Academic General Hospital of Thessaloniki “AHEPA” Aristotle University of Thessaloniki, Thessaloniki, Greece
6. Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece