[1
]
University of São Paulo School of Medicine, Department of Gastroenterology, Clinical
Division of Clinical Gastroenterology and Hepatology (LIM-07), São Paulo, Brazil.
[2
]
University of São Paulo School of Medicine, Department of Pathology (LIM-14), São
Paulo, Brazil.
[3
]
University of São Paulo School of Medicine, Department of Gastroenterology, Surgery
Division (LIM-35), São Paulo, Brazil.
[4
]
University of São Paulo School of Medicine, Department of Emergency (LIM-51), Sao
Paulo, Brazil.
[5
]
University of São Paulo School of Medicine, Department of Gastroenterology, Surgery
Division (LIM-35), São Paulo, Brazil. Electronic address: dan@ganep.com.br.