1. Rua Ministro João Mendes, 60/31 Santos São Paulo Brazil 11040-260
2. UNIFESP - Escola Paulista de Medicina; Gastroenterological Surgery; Rua Edison 278, Apto 61, Campo Belo São Paulo São Paulo Brazil 04618-031
3. Bispebjerg Hospital; Department of Surgical Gastroenterology K; Bispebjerg Bakke 23 Copenhagen NV Denmark DK-2400