Xing, Bingyu
Liang, Guanmian
Zhang, Jing
Zhang, Jinsheng
Jiang, Zhizhi
Miao, Qunfang
Article History
Received: 16 June 2021
Accepted: 22 November 2021
First Online: 10 December 2021
Declarations
:
: All methods followed the ethical principles for medical research in the Declaration of Helsinki. The study was approved by Ethics Committee of the medical department of Hangzhou Normal University (Reference No. 20190063). Written informed consent was obtained from all participants prior to the data collection process. We confrm that all methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: Authors declare that they have no competing interests.