1 Division of Neurology, Department of Internal Medicine, Jichi Medical University School of Medicine, Tochigi, Japan. Electronic address: kmatsuzono51@jichi.ac.jp.
2 Division of Neurology, Department of Internal Medicine, Jichi Medical University School of Medicine, Tochigi, Japan. Electronic address: r1543hk@jichi.ac.jp.
3 Division of Neurology, Department of Internal Medicine, Jichi Medical University School of Medicine, Tochigi, Japan. Electronic address: r1836ha@jichi.ac.jp.
4 Division of Neurology, Department of Internal Medicine, Jichi Medical University School of Medicine, Tochigi, Japan. Electronic address: hyokkori-8@jichi.ac.jp.
5 Division of Neurology, Department of Internal Medicine, Jichi Medical University School of Medicine, Tochigi, Japan. Electronic address: younhee_kim@jichi.ac.jp.
6 Division of Neurology, Department of Internal Medicine, Jichi Medical University School of Medicine, Tochigi, Japan. Electronic address: ozawa_tadashi@jichi.ac.jp.
7 Division of Neurology, Department of Internal Medicine, Jichi Medical University School of Medicine, Tochigi, Japan. Electronic address: r0748tm@jichi.ac.jp.
8 Division of Neurology, Department of Internal Medicine, Jichi Medical University School of Medicine, Tochigi, Japan. Electronic address: hshimaza@jichi.ac.jp.
9 Division of Neurology, Department of Internal Medicine, Jichi Medical University School of Medicine, Tochigi, Japan. Electronic address: reiji_koide@jichi.ac.jp.
10 Division of Neurology, Department of Internal Medicine, Jichi Medical University School of Medicine, Tochigi, Japan. Electronic address: rtanaka@jichi.ac.jp.
11 Division of Neurology, Department of Internal Medicine, Jichi Medical University School of Medicine, Tochigi, Japan. Electronic address: shigeruf830@jichi.ac.jp.