1 Gastroenterology Unit, Department of Medicine, Azienda Ospedaliera Universitaria Integrata Policlinico G.B. Rossi and University of Verona, Verona, Italy. Electronic address: rachele.ciccocioppo@univr.it.
2 Division of Surgery and Cell Therapy Unit, Institute for Health Research, Jiménez Díaz Foundation University Hospital, Madrid, Spain.
3 Laboratory of Advanced Cellular Therapies, Hematology Unit, Vicenza Hospital, Vicenza, Italy.
4 Gastroenterology Unit, Department of Medicine, Azienda Ospedaliera Universitaria Integrata Policlinico G.B. Rossi and University of Verona, Verona, Italy.