∗Department of Neuropsychiatry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences

†Okayama Psychiatric Medical Center, Okayama, Japan.

Address correspondence and reprint requests to Manabu Takaki, MD, PhD, Department of Neuropsychiatry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan; E-mail: [email protected]

Conflicts of Interest and Source of Funding: The authors have no conflicts of interest to declare.