Wang, Tianhao
Ru, Xueying
Zhang, Yuan
Zhang, Xiangjie
Gong, Jian
Lao, Limin
Gao, Junling
Pan, Zhigang
Article History
Received: 12 August 2021
Accepted: 28 February 2022
First Online: 23 March 2022
Declarations
:
: All methods were performed in accordance with the relevant guidelines and regulations (Declaration of Helsinki). The confidentiality of all GPs was guaranteed, and the study protocol was approved by The Medical Ethics Committee of Zhongshan Hospital of Fudan University. Documentation of informed consent was secured at the beginning of the survey, and all GPs have read and agreed to the informed consent agreement. The informed consent was obtained from all subjects.
: Not applicable.
: The authors declare that they do not have any conflicts of interests.