∗Sunlight Brain Research Center, Hofu, Yamaguchi, Japan

†Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.

Send reprint requests to Takahiko Nagamine, MD, PhD, Sunlight Brain Research Center, 4-13-18 Jiyugaoka, Hofu, Yamaguchi, 747-0066, Japan. E-mail: [email protected].