About the Authors
National Center for Global Health and Medicine, Tokyo, Japan
Global Health and Development, School of Social Science and International Studies, The University of New South Wales, Sydney, Australia
The authors have declared that no competing interests exist.
Wrote the first draft of the manuscript: NF. Contributed to the writing of the manuscript: NF ABZ MN HA. ICMJE criteria for authorship read and met: NF ABZ MN HA. Agree with manuscript results and conclusions: NF ABZ MN HA.