1. Department of Neuropsychiatry, Kinan Psychiatric Center, Tanabe, Wakayama 646‑0015, Japan
2. Department of Neuropsychiatry, Wakayama Medical University, Wakayama, Wakayama 641‑8510, Japan
3. Department of Neurology, Kinan Hospital, Tanabe, Wakayama 646‑8588, Japan