Funding for this research was provided by:
Received: 11 June 2019
Accepted: 26 February 2020
First Online: 3 April 2020
Ethics approval and consent to participate
: Prior to study commencement, the data protection officer of Coreva Scientific (Dr. Virginie Mittard) performed an assessment for risk of personal and/or identifiable data in compliance with the European General Data Protection Regulation. The study was deemed low risk as it relies solely on aggregate data in the public domain (published results) with no individual-level data and was thus not deemed to require further ethical review.
: Not applicable.
: RS and JD are health economics and data analysis consultants who have worked with Medtronic plc on the current, and other projects.