[1] Ctr Med Campinas, Dept Nephrol, Campinas, SP, Brazil
[2] Univ Fed Sao Paulo, Dept Surg, Sao Paulo, SP, Brazil
[3] Univ Fed Estado Rio De Janeiro, Hosp Fed Servidores Estado, Fac Med & Surg, Rio De Janeiro, RJ, Brazil
[4] Univ Sao Paulo, Dept Gastroenterol, Sao Paulo, SP, Brazil
[5] Soc Brasileira Cirurgia Laparoscop & Robot, Sao Paulo, SP, Brazil
[6] Ctr Integrado Med Avancada, Sao Paulo, SP, Brazil
[7] Univ Fed Rio Grande do Sul, Univ Fed Rio Grande, Gen Surg Unit, Porto Alegre, RS, Brazil
[8] Hosp Pintagueiras, Videolaparoscop Surg Serv Jundiai, Soc Brasileira Herna & Parede Abdominal, Sao Paulo, SP, Brazil
[9] Univ Posit, Dept Surg Clin, Postgrad Program Minimally Invas Surg, Curitiba, PR, Brazil
[10] Hosp Servidor Publ Estadual, Dept Gen & Oncol Surg, Sao Paulo, SP, Brazil
[11] Univ Fed Triangulo Mineiro, Digest Surg Unit, Uberaba, MG, Brazil