1. Medical Genetics Service, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
2. Department of Genetics, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
3. Postgraduate Program in Genetics and Molecular Biology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
4. Post-Graduate Program in Medical Sciences, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
5. Department of Medical Genetics, National Institute for Women, Children and Adolescent Health Fernandes Figueira/Fiocruz, Rio de Janeiro, Brazil
6. Postgraduate Program in Physiology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
7. Center of Individualized Medicine, Mayo Clinic, Rochester, MN, USA