Stefano Fanti, Associate Professor in Diagnostic Imaging at the University of Bologna, Director of Nuclear Medicine Division and of PET Unit at the Policlinico S.Orsola, Director of Specialty School of Nuclear Medicine at University of Bologna.Mohsen Farsad, M.D., is the director of the Nuclear Medicine Unit at Central Hospital Bolzano/Bozen Italy. He has graduated from the University of Bologna, in one of the most active PET/CT Departments in Europe and a Centre of Excellence. He pursued an Oncology Imaging fellowship at Imperial College, Hammersmith Hospital London (UK). He obtained the National Scientific Qualification for Associate Professor in January 2014. The major focus of his career has been on PET/CT Imaging, with special interest in Non-FDG PET tracers.Professor Luigi Mansi works at the Second University of Naples since 1992 as Professor of Diagnostic Imaging and Head of the Nuclear Medicine Department. He graduated in Medicine in 1975 and became a specialist in nuclear medicine, radiology and radiotherapy.In 1982-83, he was an expert for the research on PET at the NIH in Bethesda, becoming a pioneer in PET-FDG. He is the author of more than 400 papers including 130 in PubMed and Editor of many books and chapters. Chairman and speaker at many international conferences and workshops. Editor of the Notiziario di Medicina Nucleare (2005-2011) and co-Editor-in-Chief of Current Radiopharmaceuticals.