1. Division of Cardiology, Department of Medicine University of California San Francisco California USA
2. Research and Development, Medicines Research Centre GlaxoSmithKline plc. Stevenage UK
3. UT Southwestern Medical Center Dallas Texas USA
4. Centre for Pulmonary Hypertension Thoraxklinik Heidelberg gGmbH at Heidelberg University Hospital Heidelberg Germany
5. CIBER‐CV Cardiology Department, Pulmonary Hypertension Unit Hospital Universitario 12 de Octubre Madrid Spain
6. Lung Transplant and Pulmonary Vascular Diseases Department Hospital Universitari Vall d'Hebron Barcelona Spain
7. Department of Internal Medicine I University Hospital Carl Gustav Carus Dresden Germany
8. Department of Cardiology DRK Kliniken Berlin Germany
9. Department of Cardiology, University Heart Center Berlin Charité University Medicine Berlin Germany
10. Marengo Therapeutics and Apple Tree Partners Cambridge Massachusetts USA
11. Discovery Medicine, Clinical Pharmacology and Experimental Medicine GlaxoSmithKline plc. Collegeville Pennsylvania USA
12. Department III of Internal Medicine, Cologne Cardiovascular Research Center (CCRC) Cologne University Heart Center Cologne Germany