1. Department of GeneticsInstitute of BiologyFederal University of Rio de JaneiroRio de JaneiroBrazil
2. INAGEMP (National Institute of Population Medical Genetics)Rio de JaneiroBrazil
3. LEMC (Laboratory of Congenital Malformations Epidemiology)Oswaldo Cruz InstituteOswaldo Cruz FoundationRio de JaneiroBrazil
4. CEMIC (Center for Medical Education and Clinical Research)Buenos AiresArgentina