About the Authors
Liverpool School of Tropical Medicine, Liverpool, United Kingdom
Menzies Center for Health Policy, University of Sydney, Sydney, Australia
Institute of Education, University of London, London, United Kingdom
The authors have declared that no competing interests exist.
ICMJE criteria for authorship read and met: SB PH SO PG. Agree with the manuscript's results and conclusions: SB PH SO PG. Designed the experiments/the study: SB PH SO PG. Analyzed the data: SB PH SO PG. Collected data/did experiments for the study: SB PG. Wrote the first draft of the paper: SB. Contributed to the writing of the paper: PH SO PG.