1) ALKERMES, INC.

2) ALNYLAM PHARMACEUTICALS, INC.

3) AMERICAN ACADEMY OF FAMILY PHYSICIANS

4) AMERICAN KIDNEY FUND

5) ANHEUSER-BUSCH COMPANIES

6) BIPARTISAN POLICY CENTER ACTION

7) BRISTOL-MYERS SQUIBB

8) CHIESI USA, INC.

9) CSL BEHRING LLC

10) JOHNSON & JOHNSON SERVICES, INC.

11) NATIONAL ASSOCIATION OF COMMUNITY HEALTH CENTERS

12) THE PERMANENTE FEDERATION

13) UNITED STATES OF CARE CAMPAIGN