1. Department of Medical and Surgical SciencesS. Orsola‐Malpighi Hospital, Alma Mater Studiorum–University of BolognaBologna Italy
2. Division of Evidence‐based Medicine, Department of Internal MedicineUniversity of South Florida and H. Lee Moffitt Cancer Center & Research InstituteTampa FL
3. Department of General Surgery and Organ Transplantation, Hepatobiliary Surgery and Liver Transplant UnitUniversity of PaduaPadua Italy
4. Department of Mathematics and Actuarial ScienceIndiana University NorthwestGary IN