Hrishikesh Chakraborty1,3, George Wehby2, Norman Goco3, Janet Moore3, Mark Kindem3, Camila Vila-Nova4, Rui Pereira5, Josiane Souza6, Alain Viegas7,Temis Felix8, DaniloMoretti- Ferreira9, Antonio Richieri-Costa10 and Jeffrey C. Murray2
1Department of Epidemiology and Biostatistics, University of South Carolina, USA.
2Department of Pediatrics, Division of Neonatology, University of Iowa, Iowa City, IA, USA.
3Statistics and Epidemiology, RTI International, Research Triangle Park, NC, USA.
4Hospital São Antônio – Obras Sociais Irmã Dulce, Salvador, BA, Brazil.
5Hospital Materno-Infantil Fernandes Figueira – IMIP, Recife, PE, Brazil.
6 Hospital do Trabalhador, Curitiba, PR, Brazil.
7Hospital Paulo Brum – FUNDEF, Lajeado, RS, Brazil.
8Hospital de Clínicas de Porto Alegre, RS, Brazil.
9Serviço de Aconselhamento Genético – IBB/UNESP, Botucatu, SP, Brazil.
10Hospital de Reabilitação de Anomalias Craniofaciais – HRAC/USP, Bauru, SP, Brazil