. 2016 Aug 3;2016:8598253. doi: 10.1155/2016/8598253
Copyright © 2016 Konstantina P. Poulianiti et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Progress of the literature screening.