[1] Univ Fed Parana, Gastroenterol, Curitiba, Parana, Brazil
[2] Univ Fed Minas Gerais UFMG, Gastroenterol, Belo Horizonte, MG, Brazil
[3] Univ Fed Juiz Fora, Gastroewnterol, Juiz De Fora, Brazil
[4] Univ Campinas UNICAMP, Colorectal Surg, Campinas, Brazil
[5] Hosp Israelita Albert Einstein, Gastroenterol, Sao Paulo, Brazil
[6] Sao Luiz Hosp, Gastroenterol, Sao Paulo, Brazil
[7] Univ Fed Piaui, Gastroenterol, Teresina, Brazil
[8] Univ Sao Paulo, Colorectal Surg, Ribeirao Preto, Brazil
[9] Univ Passo Fundo, Colorectal Surg, Passo Fundo, RS, Brazil
[10] Inst Aparelho Digestivo, Gastroenterol, Porto Alegre, RS, Brazil
[11] Hosp Sao Vicente, Gastroenterol, Curitiba, Parana, Brazil
[12] Univ Sao Paulo, Gastroenterol, Ribeirao Preto, Brazil
[13] Clin ESADI, Gastroenterol, Blumenau, Brazil
[14] Kaiser Clin, Colorectal Surg, Sao Jose Do Rio Preto, Brazil
[15] Hosp Santa Cruz, Santa Cruz, CA, Brazil
[16] Kaiser Clin, Colorectal Surg, Sao Jose Do Rio Preto, Brazil
[17] Univ Estadual, Gastroenterol, Salvador, Brazil
[18] Pontificia Univ Catolica Parana PUCPR, IBD outpatient Clin, Curitiba, Brazil