. 2014 Jun 12;32(2):462–468. doi: 10.3892/or.2014.3260
Copyright © 2014, Spandidos Publications
This is an open-access article licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. The article may be redistributed, reproduced, and reused for non-commercial purposes, provided the original source is properly cited.