1) AMERICAN MEDICAL REHABILITATION PROVIDERS ASSOCIATION

2) BOSTON SCIENTIFIC CORPORATION

3) COLORADO HOSPITAL ASSOCIATION

4) DANA-FARBER CANCER INSTITUTE, INC.

5) HOLOGIC, INC.

6) HOSPITAL ASSOCIATION OF OREGON

7) MASSACHUSETTS HOSPITAL ASSOCIATION

8) NATIONAL BRAIN TUMOR SOCIETY

9) REGIONAL ONE HEALTH

10) ST. JUDE CHILDREN'S RESEARCH HOSPITAL

11) TENNESSEE HOSPITAL ASSOCIATION

12) THE METROHEALTH SYSTEM

13) WASHINGTON STATE HOSPITAL ASSOCIATION