1. Faculty of Medical Sciences, Department of Medical Genetics; Perinatal Genetics Program, Woman's Hospital Prof. Dr. J. A. Pinotti; State University of Campinas (Unicamp); Campinas São Paulo Brazil
2. Fetal Medicine Service; Woman's Hospital Prof. Dr J. A. Pinotti, State University of Campinas (Unicamp); Campinas São Paulo Brazil
3. Faculty of Medical Sciences, Department of Pathology; State University of Campinas (Unicamp); Campinas São Paulo Brazil
4. Cell Culture and Cytogenetics Laboratory; Woman's Hospital Prof. Dr. J. A. Pinotti, State University of Campinas (Unicamp); Campinas São Paulo Brazil
5. Medical Genetics Service, Clinics Hospital of Porto Alegre; Federal University of Rio Grande do Sul (UFRGS); Porto Alegre Rio Grande do Sul Brazil