1 University of Milan, Faculty of Medicine, Milan, Italy. Electronic address: federicobozzetti@gmail.com.
2 Clinical Nutrition and Dietetics Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
3 Pain Management and Palliative Care, Department of Anesthesia, Intensive Care and Emergency, Molinette Hospital, University of Turin, Turin, Italy.
4 Department of Clinical Nutrition, Città della Salute e della Scienza, Turin, Italy.
5 Centre for Chronic Intestinal Failure - Clinical Nutrition and Metabolism Unit - IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy; University of Bologna, Department of Medical and Surgical Sciences, Bologna, Italy.
6 Department of Clinical Medicine and Surgery, Federico II University School of Naples, Italy.
7 Department of Medicine, Surgery, and Health Sciences, University of Trieste, Trieste, Italy.