Children's Hospital Boston, Boston, Massachusetts, United States
Duke University Medical Center, Durham, North Carolina, United States
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
University of Utah Pain Research Center, Salt Lake City, Utah, United States
University of Utah, Pain Research and Management Center, Salt Lake City, Utah, United States
T.L. Carey, M.D. and Associates, Tulsa, Oklahoma, United States
Washington University, Saint Louis, Missouri, United States
Children's Medical Center - Dayton, Dayton, Ohio, United States
Southwest Medical Center at Dallas, Dallas, Texas, United States