1. Department of Psychiatry and PsychotherapyRheinische‐Friedrich‐Wilhelms UniversityBonnGermany
2. German Center for Neurodegenerative Diseases (DZNE)BonnGermany
3. Department of Primary Medical CareUniversity Medical Center Hamburg‐EppendorfHamburgGermany
4. Instiute of General Practice, WG Medical Statistics and IT‐Infrastructure, Hannover Medical SchoolHannoverGermany
5. Department of Health Economics and Health Services Research, Hamburg Center for Health EconomicsUniversity Medical Center Hamburg‐EppendorfHamburgGermany
6. Department of PsychiatryUniversity of LeipzigLeipzigGermany
7. Department of Psychiatry and Psychotherapy, Psychiatric Epidemiology and Demographic ChangeCentral Institute of Mental HealthMedical Faculty MannheimHeidelberg UniversityMannheimGermany
8. Department of PsychiatryTechnical UniversityMunichGermany
9. Department of General PracticeUniversity Medical Center DüsseldorfDüsseldorfGermany
10. Institute of Psychology, Methods, Assessment, & Evaluation, Rheinische‐Friedrich‐Wilhelms UniversityBonnGermany
11. Department of PsychiatryUniversity of CologneMedical FacultyCologneGermany