Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (106-2118-M-006-011-MY3, MOST 107-2320-B-006 -034)
Received: 14 April 2020
Accepted: 12 October 2020
First Online: 5 November 2020
Ethics approval and consent to participate
: The Institutional Review Board of National Cheng Kung University Hospital approved the study before commencement (B-EX-103-015). All patient data were de-identified so the patients’ consents to participate in the study were waived.
: This manuscript did not contain any individual person’s data and thus, consent for publication is not applicable.
: The authors declare no competing interests.