1. Research Unit for General Practice, Department of Public Health, University of Southern Denmark, Odense, Denmark
2. Research Unit for General Practice and Section for General Practice, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
3. The Boden Institute of Obesity, Nutrition Exercise & Eating Disorders, University of Sydney, Sydney, Australia
4. Research Unit for Dietary Studies at the Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark
5. Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark