Received: 20 December 2020
Accepted: 8 November 2021
First Online: 30 November 2021
: This study was approved by the Ethics Committees for human research of the Khon Kaen University (Thailand) and the University of Public Health (Myanmar) in accordance with the Declaration of Helsinki. The study was registered at clinical ExternalRef removed (registration number: TCTR20180822001; 21 August, 2018). All eligible participants were provided with an explanation about the objectives and procedures of the study and were asked to sign an informed consent form prior to commencing the study.
: Informed consent to publish was obtained from the participants for publication of the images.
: The authors declare that there is no competing interests.