Received: 30 September 2020
Accepted: 17 February 2021
First Online: 25 February 2021
Ethics approval and consent to participate
: The consent of study participant was waived and the study protocol was proved by IRB of Taichung Veterans General Hospital (IRB number CE2008B).
: Not applicable.
: Shun-Ping Wang, Po-Kuan Wu, Cheng-Hung Lee, Cheng-Min Shih, Yung-Cheng Chiu, and Cheng-En Hsu declare that they have no conflict of interest neither any financial and personal relationships with other people or organizations, which could result in an inappropriate influence of this study.