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. 2021 Apr 20;11(4):e046051. doi: 10.1136/bmjopen-2020-046051

Figure 1.

Figure 1

Data showing the use of technology to deliver exercise-based cardiac rehabilitation between January 2010 and June 2020. Black bars indicate how many programmes started using their chosen technology on a given date. The grey area shows the cumulative number of cardiac rehabilitation programmes using technology.