Delusional Disorder

• University of Mannheim, Central Institute of Mental Health, Department of Psychiatry and Psychotherapy, J5, 68169 Mannheim — Mannheim, Baden-Wurttemberg, Germany
• University of Augsburg, Department of Psychiatry and Psychotherapy, Geschwister-Schoenert-Str. 1, 86156 Augsburg — Augsburg, Bavaria, Germany
• Ludwig-Maximilians Universität Munich, Department of Psychiatry and Psychotherapy, Nussbaumstr. 7, 80336 Munich — München, Bavaria, Germany
• University of Hamburg, Universitätsklinikum Hamburg-Eppendorf Hamburg, Department of Psychiatry and Psychotherapy — Hamburg, Free and Hanseatic City of Hamburg, Germany

• Hartford Hospital — Hartford, Connecticut, United States
• University of Georgia — Athens, Georgia, United States
• University of Chicago Medical Center — Chicago, Illinois, United States
• McLean Hospital — Belmont, Massachusetts, United States

• Vanha Vaasa Hospital — Vaasa, Finland

• Uppsala University Hospital — Uppsala, Sweden

• VA San Diego Healthcare System, San Diego, CA — San Diego, California, United States
• VA Greater Los Angeles Healthcare System, West Los Angeles, CA — West Los Angeles, California, United States
• New Mexico VA Health Care System, Albuquerque, NM — Albuquerque, New Mexico, United States

Not specified

• Kamuzu University of Health Sciences — Blantyre, Southern Region, Malawi
• University of Ibadan — Ibadan, Oyo State, Nigeria
• University of Makeni — Makeni, Northen Province, Sierra Leone
• University of Zimbabwe — Harare, North East, Zimbabwe

• VA San Diego Healthcare System, San Diego, CA — San Diego, California, United States

• Max Planck Institute of Psychiatry — Munich, Bavaria, Germany

• Centre for Addiction and Mental Health — Toronto, Ontario, Canada