Funding for this research was provided by:
Thailand Research Fund (RSA5980013)
Khon Kaen University (PHD/0084/2560, IN62142)
National Research Council of Thailand
Received: 9 November 2020
Accepted: 21 July 2021
First Online: 4 August 2021
: The study was conducted in accordance with the Declaration of Helsinki, and the study was approved by the Human Research Ethics Committee, Khon Kaen University, Thailand (HE611412).
: Not applicable
: The authors declare that they have no competing interests.