1. Actelion Pharmaceuticals US Inc.
2. Arena Pharmaceuticals
3. Bayer AG
4. Bristol-Myers Squibb Company
5. CMP Pharma Inc.
6. Gilead Sciences Inc.
7. GlaxoSmithKline PLC
8. Gossamer Bio Inc.
9. Johnson & Johnson Services Inc.
10. Merck & Co. Inc.
11. Novartis AG
12. Pfizer Inc.
13. Teva Pharmaceutical Industries Ltd.
14. United Therapeutics Corporation
15. Viatris Inc.