Article History
Received: 5 June 2018
Accepted: 20 October 2018
First Online: 29 October 2018
Change Date: 6 November 2018
Change Type: Correction
Change Details: In the original article [1], the authors noticed a typographical error in Figure 2. The top left box should have included “E/A <0.8 and E <50 cm/s”. Please see below the corrected figure.