*Spine Center and Department of Orthopaedic Surgery, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Sungnam, Republic of Korea
†Department of Mechanical Engineering, Yonsei University, Seoul, Republic of Korea
‡Department of Orthopaedic Surgery, Seoul National University College of Medicine and Seoul National University Hospital, Seoul, Republic of Korea
§Department of Neurology, University of Munich, Munich, Germany; and
¶Department of Orthopaedic Surgery, Pusan National University, School of Medicine and Pusan National University Yangsan Hospital, Yangsan, Korea.
Address correspondence and reprint requests to Jin S. Yeom, MD, Spine Center and Department of Orthopaedic Surgery, Seoul National University College of Medicine and Seoul National University Bundang Hospital, 166 Gumiro, Bundang-gu, Sungnam, 463-707, Republic of Korea; E-mail: [email protected]
Acknowledgment date: June 11, 2014. First revision date: July 31, 2014. Second revision date: September 3, 2014. Third revision date: October 14, 2014. Acceptance date: October 16, 2014.
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.
