1. GI endoscopy, Endogastro Rio, Rio de Janeiro, Brazil
2. Clinical Research, FACERES Curso de Medicina, Sao Jose do Rio Preto, Brazil
3. Clinical Research, ABRAN, Catanduva, Brazil
4. Bariatric endoscopy, Escola Bahiana de Medicina e Saude Publica, Salvador, Brazil
5. Endobatel–Digestive endoscopy, Universidade Federal do Paraná, Curitiba, Brazil
6. Bariatric Endoscopy, GI Endoscopy-Health Me Clinic, São Paulo, Brazil
7. Medical Services, NT Santos Serviços médicos (NT Santos-Medical services), Rio de Janeiro/RJ, Brazil, Rio de Janeiro, Brazil