Focused Research Unit for Molecular Diagnostic and Clinical Research, Institute of Regional Health Research, University Hospital of Southern Denmark- Sonderjylland, 6200 Aabenraa, Denmark. Institute of Molecular Medicine, University of Southern Denmark, 5230 Odense, Denmark. Department of Surgery, University Hospital of Southern Denmark-Sonderjylland, 6200 Aabenraa, Denmark. Research Unit for Dietary Studies, the Parker Institute, Bispebjerg and Frederiksberg, 2000 Frederiksberg, Denmark. Section for General Practice, Department of Public Health, University of Copenhagen, 2100 Copenhagen, Denmark. The Boden Institute of Obesity, Nutrition, Exercise & Eating Disorders, The University of Sydney, Sydney, NSW 2006, Australia. Faculty of Food Science and Nutrition, School of Health Sciences, University of Iceland, 101 Reykjavik, Iceland. Centre for Fetal Programming, Department of Epidemiology Research, Statens Serum Institut, 2100 Copenhagen, Denmark. Lærings- og Forskningshuset, University Hospital of Southern Denmark, Sonderjylland, 6200 Aabenraa, Denmark. Open Patient data Explorative Network, University of Southern Jutland, 5230 Odense, Denmark.