About the Authors

Su-Hyun Kim

Affiliation Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang, Korea

So-Young Huh

Affiliation Department of Neurology, Kosin University School of Medicine, Busan, Korea

Jae-Won Hyun

Affiliation Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang, Korea

In Hye Jeong

Affiliation Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang, Korea

Sang Hyun Lee

Affiliation Department of Radiology, Research Institute and Hospital of National Cancer Center, Goyang, Korea

AeRan Joung

Affiliation Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang, Korea

Ho Jin Kim

hojinkim@ncc.re.kr

Affiliation Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang, Korea

Competing Interests

Dr. HJ Kim has read the journal’s policy and the authors of this manuscript have the following competing interests: Dr. HJ Kim has received honoraria for speaking or consulting from Bayer Schering Pharma, Biogen Idec, Genzyme, Merck Serono, Novartis, MedImmune, and Teva-Handok and has received research grants from Genzyme, Merck Serono, and Kael-GemVax. This does not alter the authors’ adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: HJK SHK. Performed the experiments: HJK SHK SYH JWH IHJ SHL ARJ. Analyzed the data: HJK SHK SYH JWH IHJ SHL ARJ. Contributed reagents/materials/analysis tools: HJK SHK SYH JWH IHJ SHL ARJ. Contributed to the writing of the manuscript: HJK SHK SYH JWH IHJ SHL ARJ. Statistical analysis: HJK SHK. Study supervision: HJK.