. 2016 May 30;30:481–497. doi: 10.1007/s40263-016-0342-7
© The Author(s) 2016
Open AccessThis article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Fig. 2.
PRISMA based flow chart over the literature search, selection and review process