1. Department of Surgery, the University of Cincinnati College of Medicine, Cincinnati, Ohio.
2. Department of Surgery, Washington University School of Medicine, Saint Louis, Missouri.
3. Department of Pediatric Infectious Diseases, Rady Children's Hospital of San Diego, San Diego, California.
4. Department of Pharmacy Practice, University of Illinois at Chicago, Chicago, Illinois.
5. Department of Medicine, University of Illinois at Chicago, Chicago, Illinois.
6. R. M. Alden Research Laboratory, David Geffen School of Medicine at UCLA, Los Angeles, California.
7. Department of Pathology, Stanford University School of Medicine, Palo Alto, California.
8. Department of Surgery, The Trauma Center at Maricopa Medical Center, Phoenix, Arizona.
9. Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
10. Department of Surgery, University of Washington, Seattle, Washington.
11. Department of Surgery, Cornell Medical Center, New York, New York.
12. Department of Medicine, Tufts University School of Medicine, Boston, Massachusetts.
13. Department of Surgery, Rady Children's Hospital of San Diego, San Diego, California.
14. Department of Surgery, Vanderbilt University Medical Center, Nashville, Tennessee.
15. St. Michael's Hospital, Toronto, Ontario, Canada.
16. Department of Surgery, University of Virginia, Charlottesville, Virginia.
17. Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland.