- Correspondence to Riikka Tulamo, Neurosurgery Research Group, Room B408a2, Biomedicum Helsinki 1, PO Box 700, Huch FI-00029, Finland;
- Revised December 17, 2009
- Accepted December 18, 2009
- First published March 12, 2010.
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.