. 2012 Feb 24;3:26. doi: 10.3389/fphys.2012.00026
Copyright © 2012 Uchida, Whitsitt, Eustaquio, Slipchenko, Leary, Cheng and Buhman.
This is an open-access article distributed under the terms of the Creative Commons Attribution Non Commercial License, which permits non-commercial use, distribution, and reproduction in other forums, provided the original authors and source are credited.