- Correspondence to PR Lowenstein, Department of Neurosurgery and Cell and Developmental Biology, University of Michigan School of Medicine, 1150 West Medical Center Drive, Ann Arbor, MI 48109-5689, USA;
- Received August 28, 2014
- Accepted September 2, 2014
- First published October 3, 2014.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.