1. Department of Surgery Medical College of Wisconsin Milwaukee Wisconsin USA
2. Division of General Internal Medicine, Department of Medicine University of Minnesota Minneapolis Minnesota USA
3. Department of Emergency Medicine University of Minnesota Minneapolis Minnesota USA
4. University of Minnesota Medical School Minneapolis Minnesota USA
5. Division of Rheumatology Department of Medicine Minneapolis Minnesota USA
6. Division of Pulmonary and Critical Care, Department of Medicine University of Minnesota Minneapolis Minnesota USA
7. Department of Surgery University of North Carolina Chapel Hill North Carolina USA
8. School of Public Health University of North Carolina Chapel Hill North Carolina USA
9. Department of Biomedical Engineering University of Minnesota Minnesota USA
10. Department of Surgery University of Minnesota Minneapolis Minnesota USA
11. Institute for Health Informatics University of Minnesota Minneapolis Minnesota USA