Xuan, Jin
Juan, Du
Yuyu, Niu
Anjing, Ji
Article History
Received: 9 March 2022
Accepted: 22 June 2022
First Online: 20 August 2022
Declarations
:
: All methods used in the survey were carried out in accordance with relevant guidelines and regulations, and the survey was conducted on the base of the Declaration of Helsinki. The central ethics committee of Yuhuan second people’s hospital approved the study protocol of the survey. Informed consent was obtained from all subjects and/or their legal guardian(s).
: Every participant provided a written consent to publish their information collected by this survey, excluding their name and ID number.
: The authors report no conflict of interest.