1. 2nd Department of Cardiology, Medical school, University Hospital of Ioannina, Ioannina, Greece
2. Department of Nuclear Medicine, Institution of Cardiology, Istanbul University Cerrahpasa, Istanbul, Turkey
3. Department of Nuclear Medicine, Medical school, University Hospital of Ioannina, Ioannina, Greece
4. 2nd Department of Nuclear Medicine, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece
5. Department of Nuclear Medicine, Faculty of Medicine, Trakya University, Edirne, Turkey