From the Departments of *Radiology
†Neurosurgery, Arumdaun Wooldul Spine Hospital, Ulsan, Republic of Korea.
Address correspondence and reprint requests to Nam Chull Paik, MD, Department of Radiology, Arumdaun Wooldul Spine Hospital, 647-4 Sinjeong 2-dong, Nam-gu, Ulsan 680-828, Republic of Korea; E-mail: email@example.com
Acknowledgement date: August 11, 2010. Revision date: August 18, 2010. Acceptance date: August 18, 2010.
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.