1. Department of Nuclear Medicine, Gruppo Ospedaliero Moncucco SA, Clinica Moncucco, 6900 Lugano, Switzerland
2. Clinic for Nuclear Medicine, University Hospital Zürich, 8004 Zürich, Switzerland
3. Nuclear Medicine Unit, Department of Biomedical and Dental Sciences and Morpho-Functional Imaging, University of Messina, 98100 Messina, Italy
4. Department of Nuclear Medicine, Hacettepe University, 06230 Ankara, Turkey
5. Department of Oncology and Nuclear Medicine, University Hospital Center Sestre Milosrdnice, 10 000 Zagreb, Croatia
6. School of Medicine, University of Zagreb, 10 000 Zagreb, Croatia