Tian, Shiyin
Wang, Rui
Qian, Mengxing
Liu, Lijuan
Shao, Zhenyi
Wu, Cheng
Sun, Jinhai
Article History
Received: 31 July 2021
Accepted: 26 October 2021
First Online: 3 November 2021
Declarations
:
: All methods were carried out in accordance with the Declaration of Helsinki. The survey was approved by the ethics committee of the Ministry of Health of Shanghai. All respondents were read a statement that explained the purpose of the survey and gave consent to continue, and informed consent was obtained from all the participants in the current study.
: Not applicable.
: The authors declare that they have no competing interests.