1. Assistant Scientist, Bloomberg School of Public Health, Johns Hopkins University, 615 N Wolfe St, Baltimore, MD 21205, USA.
2. Scientist, Department of Sexual and Reproductive Health Research, UNDP/UNFPA/UNICEF/WHO/World Bank Human Reproductive Programme, World Health Organization, Geneva, Switzerland
3. Researcher, Rutgers, Utrecht, The Netherlands
4. Associate II, Population Council, New York, NY, USA
5. Qualitative researcher, Gender and Adolescence: Global Evidence, London, UK
6. PhD candidate, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
7. Professor, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA