Kaolawanich, Yodying
Boonyasirinant, Thananya http://orcid.org/0000-0002-9149-3407
Article History
Received: 29 January 2019
Accepted: 24 May 2020
First Online: 11 June 2020
Ethics approval and consent to participate
: This study was approved by Siriraj Institutional Review Board, Faculty of Medicine Siriraj Hospital, Mahidol University. The need for consent was waived by the board due to its retrospective nature and as all personal identifying information was obliterated.
: Not applicable.
: The authors declare that they have no competing interests.