From the Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL.
Acknowledgment date: October 20, 2005. First revision date: October 24, 2005. Acceptance date: November 16, 2005.
The device(s)/drug(s) is/are FDA-approved or approved by corresponding national agency for this indication.
No funds were received in support of this work. No benefits in any form have been or will be received from a commercial party related directly or indirectly to the subject of this manuscript.
Address correspondence and reprint requests to Benson P. Yang, MD, 600 N. McClurg Court, 4404A, Chicago, IL 60611; E-mail: firstname.lastname@example.org