1. Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet , Stockholm, Sweden
2. Science Division, Swedish Food Agency , Uppsala, Sweden
3. Unit of Medical Epidemiology, Department of Surgical Sciences, Uppsala University , Uppsala, Sweden
4. Department of Molecular Medicine and Surgery, Karolinska Institutet , Stockholm, Sweden
5. Department of Pelvic Cancer, GI Oncology and Colorectal Surgery Unit, Karolinska University Hospital , Stockholm, Sweden