Funding for this research was provided by:
Changhua Christian Hospital (105-CCH-IRP-071, 108-CCH-IRP-018)
Received: 24 August 2019
Accepted: 8 June 2020
First Online: 23 June 2020
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of Changhua Christian Hospital (IRB No 141103).
: Not applicable.
: The authors declare that they have no competing interests.