1. Surgery, Stony Brook University Hospital, Long Island, New York
2. Indiana University School of Medicine, Indianapolis, Illinois
3. Public Health, Rutgers University, New Jersey
4. Uniformed Services University, Bethesda, Maryland
5. Walter Reed National Military Medical Center, Bethesda, Maryland
6. Drexel University School of Medicine, Philadelphia, Pennsylvania
7. Southeastern Pain Management, Gadsden, and United States Army Reserve, 5th Medical Brigade, Birmingham, Alabama
8. The George Washington University, Washington, DC, U.S.A.