1. Medical Oncology Unit, Azienda Socio Sanitaria del Garda, Ospedale di Desenzano del Garda, Desenzano del Garda, 25015, Italy
2. Department of Clinical Science & Community Section of Medical Statistics, Biometry & Epidemiology ‘G.A. Maccacaro’, Faculty of Medicine & Surgery, University of Milan, Milan, 20100, Italy
3. Medical Oncology Unit, Azienda Socio Sanitaria del Garda, Ospedale di Manerbio, Manerbio, 25025, Italy
4. Cancer Center, Clinique de Genolier, Genolier, 1272, Switzerland