Affiliation: | 1. Post-Graduate Program in Health Sciences, Program in Health Sciences S?o Francisco University (USF), Av. S?o Francisco de Assis, 218 – Jardim S?o José, Bragan?a Paulista, S?o Paulo, 12916-350, Brazil 2. Department of Surgery, Campinas State University (UNICAMP), Campinas, S?o Paulo, Brazil 3. Gastroenterology Department, University of S?o Paulo Medical School (FMUSP), Rua Padre Jo?o Manuel, 222 – Cerqueira César, S?o Paulo, S?o Paulo, 01411-000, Brazil 4. Post-Graduate Program in Health Sciences, S?o Francisco University (USF), Av. S?o Francisco de Assis, 218 – Jardim S?o José, Bragan?a Paulista, S?o Paulo, 12916-350, Brazil 5. Scientific Initiation Program (PIBIC/CNPq), School of Medicine, S?o Francisco University (USF), Av. S?o Francisco de Assis, 218 – Jardim S?o José, Bragan?a Paulista, S?o Paulo, 12916-350, Brazil
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