Chen, J.-X.
Shih, P.-K.
Article History
Received: 10 January 2020
Accepted: 26 March 2020
First Online: 23 April 2020
Compliance with ethical standards
:
: JXC (Jian-Xun Chen) and PKS (Pin-Keng Shih) declare no conflict of interest.
: This study was approved by the ethical committee of China Medical University.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: All patients gave informed consent.