Ethics
RECRUITMENT
This study was approved by the Ethics Committee of the Faculty of Medicine, Prince of Songkla University, Thailand: REC Number 62-080-8-1 (19/07/2019) and registered with Thai Clinical Trials Registry TCTR20190424001 (24/04/2019). All participants provided written informed consent. Study recruitment began on 29 August, 2019 and continued through 19 December, 2019. The data was anonymized, maintained with confidentiality and in compliance with the Declaration of Helsinki.