Received: 2 December 2020
Accepted: 19 June 2021
First Online: 1 July 2021
: The study was approved by the Institutional Review Board of National Yang-Ming University (ID: YM106095E) and Taipei Veterans General Hospital (ID: 2018-12-003AC). The participants provided written informed consent before all the assessment started, in accordance with the Declaration of Helsinki.
: Not applicable.
: All the authors declare no conflict of interest.