. 2015 Jan 28;2015:381572. doi: 10.1155/2015/381572
Copyright © 2015 Farhang Babamahmoodi 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.
Prevalence of the symptoms.