. 2016 Aug 24;2016:7273935. doi: 10.1155/2016/7273935
Copyright © 2016 Ali Nasir Siddiqui 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.
Flow diagram of study participants.