1. Bone Marrow Transplantation
2. Pediatric Surgery Service
3. Pediatrics
4. Medical Genetics Service
5. Children Liver Transplantation Program
6. Digestive Surgery Service, Hospital de Clínicas de Porto Alegre
7. Department of Genetics
8. Hemotherapy
9. Post-Graduation Program in Genetics and Molecular Biology
10. Post-Graduation Program in Child’s Health, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil