Wu, Hongliang
Song, Huiqun
Dou, Lianwei
Gao, Bo
Pan, Yan
Dong, Mei
Chen, Qi
Li, Jiazhen
Song, Lixiang
Liu, Chuanyu
Li, Bing
Chu, Wenzheng
Funding for this research was provided by:
Department of Health of Shandong Province (2017WS168)
Article History
Received: 11 July 2020
Accepted: 23 October 2020
First Online: 29 October 2020
Ethics approval
: The study protocol was approved by the Ethics Committee of Yantai Yuhuangding Hospital (approval no. 193: [2017 -]). All patients provided written informed consent to participate before enrolment.
: Not Applicable.
: No potential conflicts of interest relevant to this article were reported. There are no competing interests to declare.