. 2016 Jun 8;3(2):123–132. doi: 10.1093/ehjqcco/qcw030
© The Author 2016. Published by Oxford University Press on behalf of the European Society of Cardiology.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com.
Figure 1.
Flow diagram of reviewed studies.