1 Department of Global Community Health and Behavioral Sciences, School of Public Health and Tropical Medicine, Tulane University, New Orleans, USA. uanaba@tulane.edu.
2 Breakthrough RESEARCH/Nigeria, Plot 839 Idris Ibrahim Crescent, Abuja, Nigeria. uanaba@tulane.edu.
3 Department of Global Community Health and Behavioral Sciences, School of Public Health and Tropical Medicine, Tulane University, New Orleans, USA.
4 Breakthrough RESEARCH/Nigeria, Plot 839 Idris Ibrahim Crescent, Abuja, Nigeria.
5 Population Council, Washington DC, USA.
6 Breakthrough ACTION/Nigeria, Abuja, Nigeria.
7 Save the Children, Abuja, Nigeria.
8 Johns Hopkins Center for Communication Programs, Baltimore, USA.
9 Formerly Population Council, Washington DC, USA.