1Department of Neurology, Pusan National University School of Medicine, Busan, Korea 2Biomedical Research Institute, Pusan National University Hospital, Busan, Korea 3Department of Neurology, Dong-A University College of Medicine, Busan, Korea 4Department of Neurology, Parkwonwuk Hospital, Busan, Korea
Corresponding author:
Young-Eun Park, Tel: +82-51-240-7819, Fax: +82-51-245-2783, Email: yepark407@gmail.com
Received: 2 November 2012 • Accepted: 21 February 2013