Tian, Yulong
Cao, Shougen
Li, Leping
He, Qingsi
Xia, Lijian
Jiang, Lixin
Ding, Yinlu
Wang, Xinjian
Wang, Hao
Mao, Weizheng
Hui, Xizeng
Shi, Yiran
Zhang, Huanhu
Chu, Xianqun
Kehlet, Henrik
Zhou, Yanbing
Funding for this research was provided by:
Innovative Research Group Project of the National Natural Science Foundation of China (81572314)
Article History
Received: 31 January 2020
Accepted: 20 March 2020
First Online: 1 May 2020
Ethics approval and consent to participate
: The study will be conducted in accordance with Good Clinical Practice guidelines and the principles of the Declaration of Helsinki. Written informed consent will be obtained from each participant. The study was approved by the ethics committee of the Affiliated Hospital of Qingdao University (QYFYKYLL 2018–34), and similar approvals were obtained at the other participating centres as needed. Prior to participation in the clinical study, the written informed consent of each participant and a guardian must be obtained. The results of the study will be presented at academic meetings and will be published in peer-reviewed journals. This trial has been registered with the China Clinical Trials Registry: CHiCTR1900022438 (date of registration: 11 April 2019).
: Not applicable.
: The authors declare that they have no competing interests.