*Seoul Spine Institute, Sanggye Paik Hospital, College of Medicine, Inje University, Seoul, Korea
†Department of Orthopaedic Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea; and
‡Department of Orthopaedic Surgery, Pusan National University School of Medicine, Busan, Korea.
Address correspondence and reprint requests to Se-Il Suk, MD, Seoul Spine Institute, Sanggye Paik Hospital, College of Medicine, Inje University, 761-1 Sanggye-Dong, Nowon-Ku, Seoul 139-707, Korea; E-mail: [email protected]
Acknowledgment date: November 12, 2014. Revision date: January 1, 2015. Acceptance date: January 22, 2015.
The manuscript submitted does not contain information about medical device(s)/drug(s).
No funds were received in support of this work.
No relevant financial activities outside the submitted work.
