1) BayCare Health System

2) Blue Cross Blue Shield of Massachusetts

3) Boston Medical Center

4) Cambia Health Solutions (formerly known as The Regence Group)

5) CareFirst BlueCross BlueShield

6) Coherus Biosciences

7) DaVita Inc.

8) GE Healthcare

9) National Association of Children's Hospitals (NACHRI)

10) Pew Charitable Trusts

11) Pharmaceutical Care Management Association (PCMA)

12) Quest Diagnostics Incorporated

13) The Guardian Life Insurance Company of America