1. Post Graduation Program in Child and Adolescent Health, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
2. School of Occupational Therapy, Universidade Federal de Pelotas, Pelotas, Brazil
3. Medical Genetics Service, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
4. Department of Genetics, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
5. Physiatry and Rehabilitation Service, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil