Sun, Yong
Wang, Changde
Gong, Chunzhu
Article History
Received: 5 March 2020
Accepted: 25 March 2020
First Online: 16 April 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of Shenzhen Pingle Orthopaedic Hospital and performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki. Informed written consent was obtained from all individual participants.
: Not applicable.
: The authors declare that they have no competing interests