[1
]
Division of Gastroenterology, Department of Surgery, Oncology and Gastroenterology,
University of Padua, Padua, Italy.
[2
]
Division of General and Bariatric Surgery, Department of Surgery, Second University
of Naples, Naples, Italy.
[3
]
U.O. Clinica Chirurgica 3, Department of Surgery, Oncology and Gastroenterology, University
of Padua, Padua, Italy.
[4
]
Division of Gastroenterology, Department of Internal Medicine, University of Genoa,
Genoa, Italy.