1. Department of Dermatology; Tokyo Medical and Dental University; Tokyo Japan
2. Department of Dermatology; National Defense Medical College; Saitama Japan
3. Department of Dermatology; Tokyo Metropolitan Ohtsuka Hospital; Tokyo Japan
4. Department of Neurology; Saitama Medical University; Saitama Japan
5. Department of Dermatology; Aichi Medical University; Aichi Japan
6. Department of Neurology; Chiba University; Chiba Japan
7. Neurology Clinic Tsudanuma; Chiba Japan