Zhai, Zhongrui
Wang, Chaoli
Sun, Zhanquan
Cheng, Shuqun
Wang, Kang
Chapter History
First Online: 6 October 2021
Compliance with Ethical Standards
:
: The authors did not receive any funding for the current work, and there is no conflict of interest. The authors thank the participants who volunteered to participate in this survey.
: The local University Ethics Committee approved the study, which was performed in accordance with the principles of the latest version of the Declaration of Helsinki.
: All the participants agreed after receiving an explanation of the purpose and design of the study. Participants can freely withdraw from the study at any time.
: All the participants gave their consent for data and study publication.