1. Latin American Center of Perinatology, Women and Reproductive Health (CLAP/WR) of the Pan American Health Organization/World Health Organization, Montevideo, Uruguay
2. gomezr@paho.org
3. Universidade Federal de Pelotas, Pelotas, RS, Brazil
4. Universidade Estadual de Campinas, Campinas, SP, Brazil
5. United Nations Population Fund, Panama City, Panama
6. World Health Organization, Geneva, Switzerland
7. Universidad Nacional de Colombia, Bogotá, Colombia
8. United Nations Foundation, Washington, D.C., United States of America