Received: 15 June 2021
Accepted: 10 December 2021
First Online: 4 January 2022
: The study protocol was approved by the Institutional Review Board of Taipei Veterans General Hospital (2018–01-006CC), and consent was exempted for this minimal risk research. A statement to confirm that all methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.