1. CORE Copenhagen Mental Health Research Centre Copenhagen University Hospital Gentofte Gentofte Denmark
2. National Institute of Public Health University of Southern Denmark Copenhagen Denmark
3. Department of Psychiatry and Behavioral Sciences University of Kansas Medical Center Kansas City KS USA
4. Department of Public Health University of Copenhagen Copenhagen Denmark
5. Gastrounit Medical Division Copenhagen University Hospital Hvidovre Hvidovre Denmark
6. Center for Healthy Aging University of Copenhagen Copenhagen Denmark