. Author manuscript; available in PMC: 2014 Dec 9.
Published in final edited form as: Health (Irvine Calif). 2014 Jun;6(12):1503–1511. doi: 10.4236/health.2014.612185
Copyright © 2014 by authors and Scientific Research Publishing Inc.
This work is licensed under the Creative Commons Attribution International License (CC BY).
Figure 1.
Study consortium diagram.