1. Institute of Medical Genetics; University of Zürich; Zürich Switzerland
2. Department of Pediatrics; University of Zürich; Zürich Switzerland
3. UFRGS; Porto Alegre RS Brazil
4. Gene Therapy Center; Research Center, Hospital de Clinicas de Porto Alegre; RS Brazil
5. Department of Pediatrics; University of Lausanne; Lausanne Switzerland
6. Laboratory of Human Genetics and Mutagenesis, Genetics & Society Program; Institute of Biology, Federal University of Bahia (UFBA); Salvador Bahia Brazil
7. Laboratory of Human Genetics and Mutagenesis, Institute of Biology; Federal University of Bahia (UFBA); Salvador Bahia Brazil
8. Department of Health of the State of Bahia; State School of Public Health; Salvador de Bahia Bahia Brazil
9. Association of Parents and Friends of Exceptional Children (APAE); Salvador Bahia Brazil