- Correspondence to Professor M Juhler, Department of Neurosurgery, Rigshospitalet, University of Copenhagen, Blegdamsvej 9, DK-2100 Copenhagen 2092, Denmark;
- Received October 22, 2009
- Revised January 25, 2010
- Accepted February 7, 2010
- First published July 26, 2010.
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