1. Medical Genetics Service, HCPA, and WHO Collaborating Center for the Development of Medical Genetic Services in Latin America, Porto Alegre, Rio Grande do Sul, Brazil
2. Faculdade de Farmácia, UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
3. Departamento de Análises, Faculdade de Farmácia, UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
4. Department of Genetics and Postgraduate Program in Genetics and Molecular Biology, UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
5. Instituto Nacional de Genética Médica Populacional—INAGEMP, Porto Alegre, Rio Grande do Sul, Brazil