Received: 20 July 2020
Accepted: 14 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: The study was approved and the need for informed consent was waived by the Research Ethics Committee of Rajavithi Hospital (approval No. 029/2561). The need for informed consent was waived due to the retrospective nature by the Research Ethics Committee of Rajavithi Hospital. Nothing has specifically linked to any patients.
: Not applicable.
: The authors declare that they have no competing interests.