1. Pulmonary Sciences & Critical Care Medicine, University of Colorado Aurora Colorado USA
2. Department of Medicine, Perelman School of Medicine, University of Pennsylvania Philadelphia Pennsylvania USA
3. Division of Cardiovascular Medicine, Department of Medicine, University of Utah Salt Lake City Utah USA
4. Cottage Health Pulmonary Hypertension Center Santa Barbara California USA
5. Division of Cardiovascular Medicine, University of Virginia Charlottesville Virginia USA
6. Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, Vanderbilt University Nashville Tennessee USA
7. Rhode Island Hospital Providence Rhode Island USA
8. Division of Pulmonary & Critical Care Medicine, University of Wisconsin Madison Wisconsin USA
9. Norton Health Care Louisville Kentucky USA
10. Division of Cardiology, University of California, San Francisco San Francisco Medical Center California USA
11. Division of Pulmonary & Critical Care Medicine, Washington University School of Medicine St. Louis Missouri USA
12. Division of Pediatric Cardiology University of Washington School of Medicine Seattle Washington USA
13. Division of Pulmonary, Critical Care and Sleep Medicine University of Cincinnati College of Medicine Cincinnati Ohio USA
14. Department of Internal Medicine University of Texas‐Rio Grande Valley McAllen Texas USA
15. Division of Pulmonary and Critical care medicine, Medical University of South Carolina Charleston South Carolina USA
16. Department of Biostatistics & Informatics, Colorado School of Public Health University of Colorado‐Anschutz Medical Campus Aurora Colorado USA