1. Department of Radiology, Federal Fluminense University (UFF), Niterói – RJ, Brazil
2. Department of Radiology, Clinicas de Diagnóstico por Imagem (CDPI), Rio de Janeiro – RJ, Brazil
3. Department of Gastroenterology, Federal Fluminense University, Niterói – RJ, Brazil
4. Department of Internal Medicine, University of Fortaleza, Fortaleza – CE, Brazil
5. Department of Neurology, Federal University of Rio de Janeiro(UFRJ), Rio de Janeiro – RJ, Brazil
6. Department of Radiology, Federal University of Rio de Janeiro (UFRJ), Rio de janeiro – RJ, Brazil