1. Pulmonary and Critical Care Medicine University of Kansas Medical Center Kansas City Kansas USA
2. Pulmonary Medicine Ascension St. Vincent's Hospital Southside Jacksonville Florida USA
3. Pulmonary Medicine Mayo Clinic Jacksonville Florida USA
4. Heart Failure and Transplantation Cardiology Ochsner Medical Center New Orleans Louisiana USA
5. Pulmonary and Critical Care Medicine Sentara Heart Hospital Norfolk Virginia USA
6. Pulmonary and Critical Care Medicine University of Nebraska Medical Center Omaha Nebraska USA
7. Pulmonary and Critical Care Medicine Emory University School of Medicine Atlanta Georgia USA
8. Pulmonary and Critical Care Medicine Henrico Doctors' Hospital and Bon Secours St. Francis Medical Center Richmond Virginia USA
9. Cardiology, Heart Failure and Transplantation Cardiology University of Alabama at Birmingham Birmingham Alabama USA
10. Pulmonary and Critical Care Medicine The Cleveland Clinic Weston Florida USA
11. Pulmonary Medicine University of Pennsylvania Philadelphia Pennsylvania USA
12. Cardiology University of Maryland School of Medicine Baltimore Maryland USA
13. Pulmonology and Critical Care Medicine University of South Florida College of Medicine Tampa Florida USA
14. Pulmonary Hypertension and Pulmonary Critical Care Houston Methodist Hospital Houston Texas USA
15. Pulmonary and Critical Care Medicine University of Texas Southwestern Medical Center Dallas Texas USA
16. Clinical Product Development United Therapeutics Corporation Research Triangle Park North Carolina USA
17. Global Medical Affairs United Therapeutics Corporation North Carolina Research Triangle Park USA
18. Pulmonology, Greater Los Angeles VA Healthcare System Cardiology Section, and David Geffen UCLA School of Medicine Los Angeles California USA