Funding for this research was provided by:
ministry of science and technology, taiwan (109-2320-B-006 -047-MY3)
Received: 2 July 2021
Accepted: 20 September 2021
First Online: 9 October 2021
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was granted exemption from review by the Ethics Committee of Chi Mei Medical Center (Ref.11005-E02). This study did not involve individual participants, so informed consent was exempted.
: Not applicable.
: No competing interests to be declared.