. 2013 Jun 18;4:288. doi: 10.3389/fpsyg.2013.00288
Copyright © 2013 Zuk, Andrade, Andrade, Gardiner and Gaab.
This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in other forums, provided the original authors and source are credited and subject to any copyright notices concerning any third-party graphics etc.