. 2018 May 25;7(11):e008730. doi: 10.1161/JAHA.118.008730
© 2018 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley.
This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Risk of bias summary—Cochrane risk tool.