1. Clinical Effectiveness Research Group, Institute of Health and Society; University of Oslo; Oslo Norway
2. Department of Medical Epidemiology and Biostatistics; Karolinska Institutet; Stockholm Sweden
3. Department of Epidemiology; Harvard T.H. Chan School of Public Health; Boston Massachusetts
4. Centre of Public Health Sciences, Faculty of Medicine; University of Iceland; Reykjavík Iceland
5. Frontier Science Foundation; Boston Massachusetts
6. Stanford Prevention Research Center, Department of Medicine; Stanford University School of Medicine; Stanford California
7. Department of Health Research and Policy; Stanford University School of Medicine; Stanford California
8. Department of Biomedical Data Science; Stanford University School of Medicine; Stanford California
9. Department of Statistics; Stanford University School of Humanities and Sciences; Stanford California