1Regional Center of Nuclear Medicine, University of Pisa Medical School, Pisa, Italy; 2Division of Surgery, John Wayne Cancer Institute, Santa Monica, California; 3Radiotherapy and Nuclear Medicine Department, Regional Hospital of Padua, Padua, Italy; 4Institute of Endocrine Surgery, University of Pisa Medical School, Pisa, Italy; and 5Institute of General Surgery, University of Padua Medical S...