1. Department of Neuropsychiatry, Kyorin University School of Medicine,
Tokyo, Japan
2. Department of Neuropsychiatry, Keio University School of Medicine,
Tokyo, Japan
3. Department of Neuropsychiatry, Kawasaki Municipal Hospital, Kanagawa,
Japan
4. Department of Psychiatry and Psychotherapy, Technische
Universität Dresden, Dresden, Germany