1. Dallas Diabetes Research Center at Medical City; Dallas Texas
2. National Research Institute; Los Angeles California
3. University of Debrecen; Debrecen Hungary
4. University of Nantes; Nantes France
5. Pfizer; Paris France
6. Pfizer; Tadworth UK
7. Merck & Co., Inc; Kenilworth New Jersey
8. Pfizer Inc; New York New York
9. Pfizer Inc; Andover Massachusetts