1. Department of Pharmacy, KKR Tachikawa Hospital, Tachikawa, Tokyo, Japan.
2. Department of Neuropsychiatry, KKR Tachikawa Hospital, Tachikawa, Tokyo, Japan.
3. Department of Pharmacotherapy, Meiji Pharmaceutical University, Kiyose, Tokyo, Japan.
4. Department of Pharmacometrics and Pharmacokinetics, Meiji Pharmaceutical University, Kiyose, Tokyo, Japan.