About the Authors
Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland
Division of Sexually Transmitted Disease Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
University College London, London, United Kingdom
Amsterdam Institute for Global Health and Development, Amsterdam, The Netherlands
School of Public Health, Imperial College London, London, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: LN MK SH LS NB. Performed the experiments: LN GG AS. Analyzed the data: LN GG AS. Contributed reagents/materials/analysis tools: LN MK SH GG LS AS. Wrote the first draft of the manuscript: LN. Contributed to the writing of the manuscript: LN MK SH GG AS NB. ICMJE criteria for authorship read and met: LN MK SH GG LS AS NB. Agree with manuscript results and conclusions: LN MK SH GG LS AS NB.