From the Neurosurgery and Spine Associates, Maine Medical Partners, Maine Medical Center, Portland, Maine.
Address correspondence and reprint requests to Robert B. Keller, MD, 33 Overlook Dr, Northport, ME 04849; E-mail: firstname.lastname@example.org
The manuscript submitted does not contain information about medical device(s)/drug(s).
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.
Acknowledgment date: April 18, 2011. Acceptance date: May 5, 2011.