About the Authors
Department of Statistics and Applied Probability, National University of Singapore, Singapore
Saw Swee Hock School of Public Health, National University of Singapore, Singapore
LA is a member of the technical advisory group of the UN IGME. JRN is a consultant for UNICEF. The views expressed in this paper are those of the authors and do not necessarily reflect the views of the United Nations Children's Fund. The authors declare that no other competing interests exist.
Conceived and designed the experiments: LA JRN. Performed the experiments: LA JRN. Analyzed the data: LA JRN. Contributed reagents/materials/analysis tools: LA JRN. Wrote the first draft of the manuscript: LA. Contributed to the writing of the manuscript: LA JRN. ICMJE criteria for authorship read and met: LA JRN. Agree with manuscript results and conclusions: LA JRN.