1. Department of Bioregulation and Pharmacological Medicine, Fukushima Medical University School of Medicine, Fukushima, Japan.
2. Department of Disaster and Emergency Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan.
3. Department of Kampo Medicine, Osaka University Graduate School of Medicine, Osaka, Japan.
4. Department of Neurology, Matsumura General Hospital, Fukushima, Japan.