1. Research Unit for Dietary Studies, The Parker Institute Bispebjerg and Frederiksberg Hospital Frederiksberg Denmark
2. The Research Unit for General Practice and Section of General Practice, Department of Public Health University of Copenhagen Copenhagen Denmark
3. Steno Diabetes Center Aarhus Aarhus University Hospital Aarhus Denmark
4. The Boden Group, The Charles Perkins Centre, Faculty of Medicine and Health University of Sydney Sydney New South Wales Australia