1Department of Translational and Precision Medicine, Gastroenterology Division, Sapienza University of Rome, Rome, RM Italy
2Palliative Care, Pain Therapy, and Rehabilitation Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, MI Italy
3Department of Medical and Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, LT Italy
4Anesthesiology, Intensive Care, and Pain Medicine Unit, Sant’Andrea University Hospital, Rome, RM Italy
5Department of Internal Medicine and Geriatry, University Hospital Policlinico Umberto I, Rome, RM Italy
6Department of Medicine, Addiction Unit, University Hospital of Verona, Verona, VR Italy
7Department of Anesthesiology, Pain Medicine, and Palliative care, University of L’Aquila, L’Aquila, AQ Italy
8Division of Physical Medicine and Rehabilitation, Department of Surgical Sciences, University of Turin and “Città della Salute e della Scienza” University Hospital, Turin, TO Italy
9Medical Oncology Unit, Clinical Cancer Center, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, RE Italy
10Paolo Procacci Foundation, Rome, RM Italy
© The Author(s) 2020
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