2 Department of Oncology and Nuclear Medicine, University Hospital Center "Sestre milosrdnice", Vinogradska 29, 10 000, Zagreb, Croatia. p.petranovic@gmail.com.
3 EANM Thyroid Committee, Vienna, Austria.
4 Department of Medical Sciences, Nuclear Medicine Division, AOU Città della Salute e della Scienza, University of Turin, Turin, Italy.
5 Clinic for Nuclear Medicine and Competence Centre for Thyroid Diseases, Imaging Institute of Southern Switzerland, Ente Ospedaliero Cantonale, Bellinzona, Switzerland.
6 Clinic for Nuclear Medicine, University Hospital and University of Zurich, Zurich, Switzerland.