The authors would like to thank The Atlantic Philanthropies Inc., USA for its financial support for data collection of the survey. The authors thank the Ministry of Health of the Socialist Republic of Vietnam and the provincial data collection teams for their contributions. The authors also thank Catrina Boon and Kate Butorac for their assistance with training and supervision of data collection teams.
This work was supported by a funding from the Atlantic Philanthropies Inc., USA (grant number G0015338). T. V. B. was supported by a Tasmania Graduate Research Scholarship. C. L. B. (1034482), V. S. (1061457) and K. S. (APP1072516) were supported by fellowships awarded by the National Health and Medical Research Council. V. S. (100089) and S. G. (PH 11H6047) were supported by fellowships awarded by the National Heart Foundation of Australia.
T. V. B. contributed to the conception and design of the study, conducted analyses and interpreted data, and drafted and revised the manuscripts. C. L. B. contributed to the conception and design of the study, supervised data collection, supervised the analyses and interpretation, and revised the manuscript for important intellectual content. K. N. L. contributed to the conception and design of the study, and revised the manuscript for important intellectual content. N. L. V. T. and B. Q. T. contributed to the conception and design of the study, supervised data collection and revised the manuscript for important intellectual content. P. O. contributed to the conception and design of the study, supervised data collection, conducted analyses and revised the manuscript for important intellectual content. V. S. and M. R. N. supervised data analyses and interpretation, and revised the manuscript for important intellectual content. T. B. A., S. T. H., H. N. P., M. H. T. and M. C. contributed to the conception and design of the study, supervised data collection and revised the manuscript for important intellectual content. K. S. contributed to the conception and design of the study, and revised the manuscript for important intellectual content. S. G. supervised data analyses and interpretation, and revised the manuscript for important intellectual content. All the authors approved the final manuscript.
The authors declare that there are no conflicts of interest.
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