. 2017 Jan 31;2017:7659893. doi: 10.1155/2017/7659893
Copyright © 2017 Tijana J. Dimkić Tomić 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 3.
Study flow diagram.