1. Department of Nuclear Medicine, University Hospital Marburg, Marburg, Germany.
2. Department of Nuclear Medicine, School of Medicine, Izmir Ekonomi Universitesi, Izmir, Turkey.
3. University Hospital of São João, Medical Faculty and Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal.
4. Department of Endocrine Surgery, Jagiellonian University Medical College, Krakow, Poland.
5. Division of Medical Oncology, Department of Oncology, The Mayo Clinic, Rochester, Minnesota.
6. Endocrine Unit, Evgenidion Hospital, University of Athens, Athens, Greece.
7. Endocrine Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
8. Department of Nuclear Medicine and Endocrine Oncology, Maria Sklodowska-Curie Memorial Institute and Centre of Oncology, Gliwice Branch, Gliwice, Poland.
9. Departments of Nuclear Medicine and Positron Emission Tomography/Computed Tomography, Radiology Center, Vienna, Austria.
10. Thyroid and Endocrine Tumor Unit, Pitié-Salpêtrière Sorbonne University Hospital, Paris, France.
11. Section of Endocrine Surgery, Department of General, Visceral and Transplantation Surgery, University Medicine, Johannes Gutenberg University Mainz, Mainz, Germany.
12. Thyroid Therapy Unit, The Royal Marsden Hospital, London, United Kingdom.
13. Department of Ear, Nose, and Throat Surgery, NHS Lothian and University of Edinburgh, Edinburgh, United Kingdom.
14. Department of Medicine, Division of Endocrinology, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands.
15. Department of Surgery, University of California at San Francisco–UCSF, San Francisco, California.
16. Department of Endocrinology, Memorial Sloan-Kettering Cancer Center, New York, New York.
17. Department of Medicine, Washington Hospital Center, Washington, DC.
18. Department of Endocrinology and Metabolism, Endocrine Tumor Center at WTZ, Essen University Hospital, Essen, Germany.