The following license files are associated with this item:

© 2015 Morillas et al. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0)
License.
Except where otherwise noted, this item's license is described as © 2015 Morillas et al. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0) License.