1. Global Clinical Development Bayer AG Berlin Germany
2. Department of Internal Medicine Pulmonary Hypertension Division Universities of Giessen and Marburg Lung Center (UGMLC) Giessen Germany
3. Global Medical Affairs United Therapeutics Corporation Silver Spring Maryland USA
4. School of Medicine and Children's Hospital University of Colorado—Anschutz Medical Campus Aurora Colorado USA
5. Department of Thoracic Medicine University of Crete School of Medicine Heraklion Crete Greece
6. Department of Radiology The University of Chicago Medicine Chicago Illinois USA
7. Regulatory, Safety and Quality Department Bellerophon Therapeutics Inc Warren New Jersey USA
8. Department of Medicine, Division of Pulmonary and Critical Care Medicine Johns Hopkins University Baltimore Maryland USA
9. Altavant Sciences Cary North Carolina USA
10. Division of Pulmonology, Department of Internal Medicine Medical University of Graz Graz Steiermark Austria
11. Department of Pulmonary Medicine Hospital del Mar, Pulmonary Hypertension Unit Barcelona Catalunya Spain
12. Inova Heart and Vascular Institute Falls Church Virginia USA
13. Division of Cardiology and Nephrology Food and Drug Administration Silver Spring Maryland USA
14. Lung & Heart‐Lung Transplant and Pulmonary Hypertension Programs University of California Los Angeles David Geffen School of Medicine Los Angeles California USA
15. Advanced Lung Disease and Transplant Program Inova Heart and Vascular Institute Falls Church Virginia USA
16. Division of Cardiology and Nephrology US Food and Drug Administration Silver Spring Maryland USA
17. Therapies, Department of Pulmonary Medicine IRCCS Mediterranean Institute for Transplantation and Advanced Specialized Palermo Sicilia Italy
18. Pulmonary Hypertension Unit University of Rome La Sapienza Rome Lazio Italy
19. National Pulmonary Hypertension Service at Royal Brompton Hospital London UK
20. National Heart and Lung Institute, Imperial College London UK