1. Department of Statistics, Uppsala University , Box 513, 751 20, Uppsala , Sweden
2. Department of Medical Sciences, Division of Clinical Diabetology and Metabolism, Uppsala University , Akademiska sjukhuset, 751 85, Uppsala , Sweden
3. Department of Neurobiology, Care Sciences and Society, Division of Family Medicine and Primary Care, Karolinska Institutet , 171 77, Stockholm , Sweden
4. Department of Women’s and Children’s Health, Healthcare Services and e-Health, Uppsala University , Akademiska sjukhuset, 751 85, Uppsala , Sweden
5. Department of Healthcare Sciences, Marie Cederschiöld University , Box 11189, 100 61, Stockholm , Sweden
6. Division of Psychiatry, Faculty of Brain Sciences, University College London , Maple House, W1T 7BN, London , UK