[1] Univ Bologna, Dept Med & Surg Sci, Bologna, Italy
[2] IRCCS Azienda Osped Univ Policlin St Orsola Malpi, IBD Unit, Dept Med & Surg Sci, Bologna, Italy
[3] IRCCS Azienda Osped Univ Bologna, Dept Med & Surg Sci, Dept Integrated Infect Risk Management, Infect Dis Unit, Bologna, Italy