1. Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
2. Centre for Epidemiology and Community Medicine, Stockholm Health Care District, Sweden
3. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden
4. Department of Clinical Sciences, Lund University, Sweden
5. Institute of Environmental Medicine, Karolinska Institutet, Sweden
6. Department of Health Sciences, Mid Sweden University, Sweden
7. Department of Public Health and Clinical Medicine, Umeå University, Sweden
8. Division of Family Medicine, Umeå University, Sweden
9. Clinical Epidemiology Unit, Karolinska Institutet, Sweden
10. Clinic of Endocrinology, Metabolism and Diabetes, Karolinska University Hospital Huddinge, Sweden
11. Department of Statistics and Quantitative Methods, University of Milano-Bicocca, Milan, Italy
12. Social Medicine and Global Health, Lund University, Sweden