1. Oklahoma Medical Research Foundation; Oklahoma City
2. Colorado School of Public Health; Aurora
3. Medical University of South Carolina; Charleston
4. Mayo Clinic; Rochester Minnesota
5. Brigham and Women's Hospital; Boston Massachusetts
6. Cedars-Sinai Medical Center; Los Angeles California
7. University of Texas Southwestern Medical Center; Dallas
8. Cincinnati Children's Hospital Medical Center and US Department of Veterans Affairs Medical Center; Cincinnati Ohio
9. Oklahoma Medical Research Foundation and University of Oklahoma Health Sciences Center; Oklahoma City