1. Medical Oncology 1, IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
2. Department of Internal Medicine and Medical Sciences (DiMI), School of Medicine, University of Genova, 16132 Genova, Italy
3. Department of Health Sciences (DISSAL), University of Genova, 16132 Genova, Italy
4. Nuclear Medicine Unit, IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
5. U.O. Clinica di Oncologia Medica, IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy