Funding for this research was provided by:
The Fogarty International Center of the National Institutes of Health (D43TW009522)
Received: 2 March 2018
Accepted: 4 December 2018
First Online: 14 December 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Ethics Committee of Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand and the Ethics Review Committee of the Department of Medical Research, Myanmar. All participants were informed about the study procedures and signed the written consent or assent forms before being interviewed. The guardian’s consent was also obtained for all participants aged less than 18 years.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.