1. Cleveland Clinic Foundation Cleveland Ohio
2. Hospital Central San Luis Potosí Mexico
3. Louisiana State University School of Medicine Baton Rouge
4. Konkuk University School of Medicine Seoul South Korea
5. Pfizer Inc Groton Connecticut
6. Pfizer Inc Collegeville Pennsylvania
7. Pfizer Inc New York New York
8. Pfizer Inc Shanghai China
9. Metroplex Clinical Research Center and University of Texas Southwestern Medical Center Dallas