Funding for this research was provided by:
TCM Scientific Research Subject of Chinese Medicine Administration Bureau of Henan (2018ZY3011)
Received: 3 January 2020
Accepted: 31 July 2020
First Online: 15 August 2020
Ethics approval and consent to participate
: The protocol has been approved by the Ethics Committee of the Zhengzhou Traditional Chinese Hospital of Orthopaedics (20180802). All participants have signed informed consent prior to participating in the study. Meanwhile, our study strictly conformed to the principles of the Declaration of Helsinki.
: Not Applicable.
: The authors declare that they have no competing interests.