1. Oslo Centre for Biostatistics and Epidemiology, Department of Biostatistics; University of Oslo
2. Oslo Centre for Biostatistics and Epidemiology; Oslo University Hospital and University of Oslo
3. Oslo Centre for Biostatistics and Epidemiology, Department of Biostatistics; University of Oslo and Diakonhjemmet Hospital, Department of Internal Medicine; Oslo
4. Brigham and Women's Hospital and Harvard Medical School, Channing Division of Network Medicine and Oslo Centre for Biostatistics and Epidemiology, Department of Biostatistics; University of Oslo