. 2015 Aug 3;132(5):441–453. doi: 10.1161/CIRCULATIONAHA.115.017944
© 2015 The Authors.
Circulation is published on behalf of the American Heart Association, Inc., by Wolters Kluwer. This is an open access article under the terms of the Creative Commons Attribution Non-Commercial-NoDervis License, which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Table 2.
Levels of Evidence
