1Department of Neurology, Seoul National University Boramae Hospital, Seoul, Korea
2Department of Neurology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
3Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
4Department of Neurology, Chungnam National University Hospital, Daejeon, Korea
5Department of Neurology, Hanyang University Seoul Hospital, Seoul, Korea
6Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
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Corresponding author:
on behalf of the Korean Society of Clinical Neurophysiology Education Committee , Tel: +82-2-2291-2290 , Fax: +82-2-737-6531,
Email: kscn@kscn.or.kr
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Received: 9 March 2017 • Revised: 12 June 2017 • Accepted: 12 June 2017