Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (MOST 105-2221-E-214-022, MOST 107-2745-8-218-001-)
Received: 18 November 2019
Accepted: 17 July 2020
First Online: 20 October 2020
Ethics approval and consent to participate
: Written informed consent approved by the Eda Hospital ethics committee was obtained from each participant prior to his or her inclusion in the study.
: Not applicable.
: The authors declare that they have no competing interests.