Funding for this research was provided by:
Faculty of Tropical Medicine, Mahidol University (ECF-019-05)
Received: 21 May 2020
Accepted: 31 August 2021
First Online: 10 September 2021
: The study design was approved by the Ethics Committee of the Faculty of Tropical Medicine, Mahidol University (Certificate No. MUTM 2016-005-02). Written informed consent was obtained from patients before enrolment into the study.
: Not applicable.
: The authors declare that they have no competing interests.