Text and Data Mining valid from 2019-09-03
Received: 19 April 2019
Accepted: 18 August 2019
First Online: 3 September 2019
Ethics approval and consent to participate
: This study is a branch project of the Public Welfare Industry Research Project “Evaluation of the Safety and Effectiveness of Joint Replacement” (No. 201302007) hosted by the Department of Joint Surgery. At the same time, the China Clinical Trial Registration Center carries out prospective registration (registration number: ChiCTR-IOR-16007861).
: Not applicable
: The authors declare that they have no competing interests.