About the Authors

Tae-Jin Song

Affiliations Department of Neurology, Ewha Womans University School of Medicine, Seoul, Korea, Department of Neurology, Yonsei University, College of Medicine, Seoul, Korea

Soo-Jin Cho

Affiliation Department of Neurology, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea

Won-Joo Kim

Affiliation Department of Neurology, Gangnam Severance Hospital, Yonsei University, College of Medicine, Seoul, Korea

Kwang Ik Yang

Affiliation Department of Neurology, Soonchunhyang University College of Medicine, Cheonan Hospital, Cheonan, Korea

Chang-Ho Yun

Affiliation Clinical Neuroscience Center, Department of Neurology, Seoul National University Bundang Hospital, Seongnam, Korea

Min Kyung Chu

chumk@hallym.ac.kr

Affiliation Department of Neurology, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: TJS MKC. Data curation: TJS SJC WJK KIY CHY MKC. Formal analysis: TJS SJC WJK KIY CHY MKC. Funding acquisition: TJS. Investigation: TJS SJC WJK KIY CHY MKC. Methodology: TJS SJC WJK KIY CHY MKC. Project administration: TJS MKC. Resources: TJS SJC WJK KIY CHY MKC. Software: TJS MKC. Supervision: SJC WJK KIY CHY. Validation: SJC WJK KIY CHY. Visualization: TJS MKC. Writing – original draft: TJS MKC. Writing – review & editing: TJS MKC.