1) AMERICAN MEDICAL ASSOCIATION

2) AMGEN, INC.

3) BLUE CROSS BLUE SHIELD ASSOCIATION

4) BRISTOL-MYERS SQUIBB COMPANY

5) COMPASS PATHWAYS, INC.

6) DISTRICT OF COLUMBIA HOSPITAL ASSOCIATION

7) EDWARDS LIFESCIENCES LLC

8) GENENTECH USA, INC.

9) GRAIL, INC.

10) HELP AT HOME

11) INCYTE CORPORATION

12) JAZZ PHARMACEUTICALS, INC.

13) LARGE UROLOGY GROUP PRACTICE ASSOCIATION (LUGPA)

14) MARYLAND HOSPITAL ASSOCIATION

15) MEDICAL INFORMATION TECHNOLOGY, INC. (MEDITECH)

16) MERCK & CO. INC.

17) MODERNA, INC.

18) NATIONAL ALLIANCE FOR CARE AT HOME

19) PARTNERSHIP FOR MEDICAID HOME-BASED CARE (PMHC)

20) SCAN HEALTH PLAN

21) SIEMENS MEDICAL SOLUTIONS USA, INC.

22) TAKEDA PHARMACEUTICALS AMERICA, INC.

23) UNITEDHEALTH GROUP INC

24) VERTEX PHARMACEUTICALS INCORPORATED