1 From *US Army Institute of Surgical Research, Fort Sam Houston, Texas; †University of Utah Burn Center, Salt Lake; ‡UT Southwestern Medical Center, Dallas, Texas; §Massachusetts General Hospital, Boston; ‖MedStar Washington Hospital Center, Washington, District of Columbia; ¶Saint Barnabas Medical Center, Livingston, New Jersey; #Mount Sinai Health Care System, New York, New York; and **University of California Davis Regional Burn Center and Shriners Hospitals for Children, Sacramento, Northern California.