1. Clinic for Nuclear Medicine and Competence Centre for Thyroid Disease, Imaging Institute of Southern Switzerland, Ente Ospedaliero Cantonale, Bellinzona, Switzerland.
2. Nuclear Medicine Department, Galliera Hospital, Genoa, Italy.
3. Medical Imaging Center, Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
4. UOC Medicina Nucleare, S. Andrea Hospital, Department of Medical-Surgical Sciences and of Translational Medicine, Sapienza University of Rome, Italy.
5. Department of Medical and Surgical Sciences, Ospedale S. Andrea, Sapienza University, Rome, Italy.
6. Oncological Endocrinology Unit, IRCCS-Regina Elena National Cancer Institute, Rome, Italy.
7. Analytical Laboratory Unit, S. Andrea Hospital, Department NESMOS, Sapienza University of Rome, Rome, Italy.
8. Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
9. Clinic for Nuclear Medicine, University Hospital and University of Zurich, Zurich, Switzerland.