1. Cardiovascular Pulmonary Research Laboratory, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado.
2. Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado.
3. Departments of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado.
4. Departments of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado.
5. Department of Pharmacology, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado.
6. Victoria Johnson Center for Obstructive Lung Diseases, Virginia Commonwealth University, Richmond, Virginia.
7. Biology Department, University of Puerto Rico in Ponce, and Department of Physiology, Pharmacology and Toxicology, Ponce School of Medicine, Ponce, Puerto Rico.
8. INSERM U802, Université Paris 11 and Service de Médecine Interne, Assistance Publique-Hôpitaux de Paris, Hôpital Bicêtre, Le Kremlin-Bicêtre, France.
9. Second Infectious Diseases Division, National Institute for Infectious Diseases “L. Spallanzani,” Rome, Italy.
10. Université Paris-Sud 11, Service de Pneumologie, Centre National de Référence de I'Hypertension Artérielle Pulmonaire, Hộpital Antoine-Béclère, Clamart, France.
11. Division of Cardiology, University of California, San Francisco, California.