[1] Keio Univ, Dept Obstet & Gynecol, Sch Med, Shinjuku Ku, 35 Shinanomachi, Tokyo 1608582, Japan
[2] Keio Univ, Sch Med, Ctr Kampo Med, Shinjuku Ku, 35 Shinanomachi, Tokyo 1608582, Japan
[3] Keio Univ, Dept Neuropsychiat, Sch Med, Shinjuku Ku, 35 Shinanomachi, Tokyo 1608582, Japan