1. Baylor College of Medicine, Veterans Affairs Health Services Research and Development Service, Center for Innovations in Quality, Effectiveness and Safety, and Michael E. DeBakey Veterans Affairs Medical Center, Houston, TX
2. Touro University California, College of Osteopathic Medicine, Vallejo, CA
3. Inova Health System, Falls Church, VA
4. Baylor College of Medicine, Houston, TX
5. University of Turin, Turin, Italy
6. Northwestern University, Chicago, IL
7. Pinnacle Clinical Research, San Antonio, TX
8. Harvard Medical School, Boston, MA
9. Michigan State University, East Lansing, MI
10. Washington University School of Medicine, St. Louis, MO
11. University of Colorado Anschutz Medical Campus, Aurora, CO
12. Henry Ford Health System, Detroit, MI
13. University of Florida and Malcom Randall Veterans Affairs Medical Center, Gainesville, FL