1. 1Department of Nuclear Medicine, German Oncology Center, University Hospital of the European University, Limassol, Cyprus
2. 2Academic Department of Nuclear Medicine, University Hospital AHEPA, School of Medicine, Thessaloniki, Greece
3. 3Academic Department of Nuclear Medicine, General Hospital Papageorgiou, Thessaloniki, Greece
4. 4Clinic for Nuclear Medicine and Competence Centre for Thyroid Diseases, Imaging Institute of Southern Switzerland, Bellinzona, Switzerland
5. 5Clinic for Nuclear Medicine, Zurich University Hospital, Zurich, Switzerland