1. Department of Psychiatry and Psychotherapy, Medical Faculty; Heinrich-Heine University; Düsseldorf Germany
2. WHO Collaborating Centre on Quality Assurance and Empowerment in Mental Health; Düsseldorf Germany
3. Department of Psychiatry, Medical Faculty; University of Cologne; Cologne Germany
4. German Center for Neurodegenerative Diseases; Bonn Germany
5. Department of Neuropsychiatry; Kyushu University; Fukuoka Japan
6. Japanese Society of Psychiatry and Neurology; Tokyo; Japan