Zhang, Yuqing
Guo, Cheng
Hou, Xiangling
Chen, Wanfen
Meng, Hui
Article History
Accepted: 4 October 2021
First Online: 11 October 2021
Declarations
:
: All the procedures followed in studies involving human participants were in accordance with the ethical standards of the institutional research committee, the 1964 Helsinki declaration, and its later amendments or comparable ethical standards.
: All the participants gave written informed consent after extensive explanation regarding the procedures.
: The authors have no relevant financial or non-financial interests to disclose.
: The authors declared that they had no conflict of interest.