About the Authors

Michiaki Koga

Affiliations Department of Neurology, Dokkyo Medical University, Tochigi, Japan, Department of Neurology and Clinical Neuroscience, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan

Michel Gilbert

Affiliation Human Health Therapeutics, National Research Council Canada, Ottawa, Ontario, Canada

Jianjun Li

Affiliation Human Health Therapeutics, National Research Council Canada, Ottawa, Ontario, Canada

Nobuhiro Yuki

mdcyuki@nus.edu.sg

Affiliations Department of Neurology, Dokkyo Medical University, Tochigi, Japan, Departments of Medicine and Physiology, National University of Singapore, Singapore, Singapore

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MK NY. Performed the experiments: MK JL. Analyzed the data: MK MG NY. Contributed reagents/materials/analysis tools: MK JL. Wrote the paper: MK NY. Revising the manuscript for content: MG NY.