Funding for this research was provided by:
Hollywood Private Hospital Research Foundation (RF074)
Received: 26 September 2018
Accepted: 2 January 2019
First Online: 31 January 2019
Compliance with ethical standards
: Approval for the study was obtained from the Hospital Research Ethics Committee, with its conduct in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments.
: Prof. Khan reports personal fees from Global Orthopaedic Technology, personal fees from Zimmer Biomet, grants from AMPLITUDE, and Smith & Nephew, outside the submitted work.