[1] Univ Milan, Luigi Sacco Hosp, Dept Biomed & Clin Sci, Milan, Italy
[2] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Unit Med & Metab Dis, Milan, Italy
[3] Univ Milan, Dept Pathophysiol & Transplantat, Milan, Italy
[4] Univ Cattolica Sacro Cuore, Dept Med & Traslat Surg, IRCCS, Fdn Policlin Univ A Gemelli, Rome, Italy
[5] Fdn Policlin Univ A Gemelli IRCCS, Univ Cattolica Sacro Cuore, Dept Internal Med, Rome, Italy
[6] Fdn IRCCS, Emergency Dept, Policlin San Matteo, Pavia, Italy
[7] Fdn IRCCS, Policlin San Matteo, Internal Med 1, Pavia, Italy
[8] Univ Brescia, Dept Clin & Expt Sci, ASST Spedali Civili Brescia, Brescia, Italy
[9] Univ Hosp Modena, Dept Internal & Emergency Med, Modena, Italy
[10] Univ Bari, DIM Dept, Div Internal Med & Geriatr, Bari, Italy
[11] Univ Milan, Osped Maggiore Policlin, Fdn IRCCS Ca Granda, Dept Clin Sci & Hlth Community, Milan, Italy
[12] Univ Milan, Dept Biomed & Clin Sci Luigi Sacco, Via GB Grassi 74, I-20157 Milan, Italy