1. Postgraduate Course in Medicine and Health; Federal University of Bahia; Bahia Brazil
2. Nutrition Science Department; Federal University of Bahia; Bahia Brazil
3. Department of Medicine; Division of Gastroenterology and Hepatology; Federal University of Bahia; Bahia Brazil
4. Laboratory of Immunology; Health Science Institute; Federal University of Bahia; Bahia Brazil
5. Pediatric Department; Federal University of Bahia; Bahia Brazil
6. Gastro-Hepatology Unit; Hospital São Rafael of Bahia; Bahia Brazil