1. Ri.MED Foundation, 90127 Palermo, Italy
2. Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
3. Cell Transplant Center, Diabetes Research Institute (DRI), University of Miami Miller School of Medicine, 1450 NW 10th Ave, Miami, FL 33136, USA
4. Department for the Treatment and Study of Abdominal Disease and Abdominal Transplantation, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), UPMCI (University of Pittsburgh Medical Center Italy), 90127 Palermo, Italy
5. Department of General Surgery and Medical-Surgical Specialties, University of Catania, 95124 Catania, Italy