Received: 4 March 2021
Accepted: 15 September 2021
First Online: 28 September 2021
: This study complied with the Declaration of Helsinki and was approved by the Siriraj Institutional Review Board (Si465/2018). Informed consent was waived due to the retrospective nature of the study according to the board policy.
: Not applicable.
: The authors declare that they have no competing interests.