Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan

Received 9 January 2023 Accepted 6 February 2023.

Correspondence to Hiroyoshi Takeuchi, MD, PhD, Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan, Tel: +81 3 3353 1211; fax: +81 3 5379 0187; e-mail: [email protected]