Received: 3 December 2020
Accepted: 2 July 2021
First Online: 12 July 2021
: This study was approved by the Institutional Review Board of The Faculty of Medicine Siriraj Hospital, Mahidol University (SIRB protocol 720/2561(IRB4); COA: Si 040/2019).
: Not applicable.
: All authors declared no conflict of interest.