1. Hospital de Urgências de Goiânia, General Surgery Division, Goiânia, GO, Brazil
2. Postgraduation program in Health Sciences, Medical School, Universidade Federal de Goiás, Goiânia, GO, Brazil
3. Former General Surgery Resident, Hospital de Urgências de Goiânia, Goiânia, GO, Brazil
4. Hospital de Urgências de Goiânia, Pathology Division; Pathology Department, Medical School, Universidade Federal de Goiás, Goiânia, GO, Brazil
5. Surgery Department, Medical School, Universidade Federal de Goiás, Goiânia, GO, Brazil