1. Norwegian Institute of Public Health Oslo Norway
2. Medical Research Council Integrative Epidemiology Unit University of Bristol Bristol UK
3. Department of Psychology University of Oslo Oslo Norway
4. Promenta Research Center University of Oslo Oslo Norway
5. School of Pharmacy University of Oslo Oslo Norway
6. Department of Epidemiology Columbia University Mailman School of Public Health New York USA
7. Center for Infection and Immunity Columbia University Mailman School of Public Health New York USA
8. Departments of Neurology and Pathology Columbia University Vagelos College of Physicians and Surgeons New York USA
9. Centre for Fertility and Health Norwegian Institute of Public Health Oslo Norway
10. Department of Global Public Health and Primary Care University of Bergen Bergen Norway
11. New York State Psychiatric Institute New York USA
12. Department of Medicine University of Oslo Oslo Norway