. 2013 Aug 7;27(10):817–827. doi: 10.1007/s40263-013-0091-9
© The Author(s) 2013
Open AccessThis article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.
Fig. 1.
Review flowchart (PRISMA flowchart)