1. Epidemiology Department, Institute of Social Medicine (IMS), Rio de Janeiro State University (UERJ), Rio de Janeiro
2. Medical School, Estácio de Sá University (UNESA), Rio de Janeiro
3. Maternal and Child Health, Fernandes Figueira Institute, Oswaldo Cruz Fundation (FIOCRUZ), Rio de Janeiro
4. Professor Hélìo Fraga Reference Center, National Health Fundation, Rio de Janeiro, Brazil