Funding for this research was provided by:
Thammasat University (2020-01)
Thailand Research Fund (PHD/0096/2560)
National Research Council of Thailand (820/2563)
Received: 12 October 2020
Accepted: 28 December 2020
First Online: 12 February 2021
Ethics approval and consent to participate
: The clinical study protocol was approved by the Human research Ethics Committee of Thammasat University, Thailand (No. 019/2561). Written informed consents for study participation was obtained from all subjects before study.
: Not applicable.
: The authors declare that they have no competing interests.