Funding for this research was provided by:
the Chinese National Science and Technology Major Project (2018ZX10713001-004)
Chinese Special Program for Scientific Research of Public Health (201502021)
Received: 17 September 2019
Accepted: 30 December 2019
First Online: 13 January 2020
Ethics approval and consent to participate
: The present study was ethically approved by the Ethics Committee of the National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, China (No. 2015–11), and the Myanmar Eastern Shan State Special Region 2 Ethic Health Organization. All the participants were informed about the study objectives and procedures before the start of the study. Informed written consents were obtained from adult participants or guardians of minors under the age of 18.
: Not applicable
: The authors declare that they have no competing interests.