1. Departments of Surgery and Biochemistry, Larner College of Medicine at the University of Vermont , Burlington, VT, USA
2. Department of Oncology, Aarhus University and Aarhus University Hospital , Aarhus, Denmark
3. Department of Pediatrics, University of Minnesota , Minneapolis, MN, USA
4. Department of Clinical Pharmacology, University of Southern Denmark , Odense, Denmark
5. Department of Clinical Research, University of Southern Denmark , Odense, Denmark
6. Department of Clinical Epidemiology, Aarhus University; and Aarhus University Hospital , Aarhus, Denmark
7. Department of Clinical Epidemiology, Aarhus University; and Aarhus University Hospital , Aarhus, Denmark
8. Department of Clinical Epidemiology , Aarhus University; and Aarhus University Hospital , Aarhus, Denmark
9. Department of Epidemiology, Rollins School of Public Health, Emory University , Atlanta, GA, USA
10. Department of Clinical Epidemiology, Aarhus University ; and Aarhus University Hospital , Aarhus, Denmark
11. Department of Clinical Epidemiology, Aarhus University; and Aarhus University Hospital , Aarhus, Denmark