Professor, Department of Genetics, Federal University of Rio Grande do Sul, and Medical Genetics Service, HCPA, Porto Alegre, RS, Brazil.

Medical Genetics Service, HCPA, Porto Alegre, RS, Brazil
Department of Genetics, UFRGS, and INAGEMP, Porto Alegre, Brazil
Department of Pediatrics, Shimane University, Shimane, Japan
Post graduation Program in Medicine: Medical Sciences, UFRGS, Porto Alegre, RS, Brazil