1. Columbia University, New York, New York, United States;
2. Stanford University, Palo Alto, California, United States
3. Vanderbilt University Medical Center, Medicine, Nashville, Tennessee, United States
4. The Cleveland Clinic Foundation, Cleveland, Ohio, United States
5. Institute of Physiology. Charité Universitätsmedizin, Berlin, Germany
6. Massachusetts General Hospital, Department of Medicine, Boston, Massachusetts, United States
7. Harvard Medical School, Boston, Massachusetts, United States
8. Johns Hopkins, Baltimore, United States
9. University of Colorado School of Medicine, Department of Pediatrics, Denver, Colorado, United States
10. Sam Houston State University, Huntsville, Texas, United States
11. University of Illinois at Chicago, Pulmonary Critical Care, Chicago, Illinois, United States
12. Columbia University, New York, United States
13. University of Maryland School of Medicine, Center for Shock, Trauma and Anesthesiology Research, Baltimore, Maryland, United States
14. University of Maryland School of Medicine, Division of Pulmonary and Critical Care Medicine, Baltimore, Maryland, United States
15. UPMC, Pittsburgh, Pennsylvania, United States
16. Stanford University, Stanford, California, United States
17. Univ. Illinois School of Medicine, Medicine-Pulmonary, Chicago, Illinois, United States
18. University of Florida, Jupiter, Florida, United States
19. Brown Medical School/ Providence VAMC, Research 151, Providence, Rhode Island, United States
20. Univ. of Texas Southwestern Med. Ctr., Internal Medicine, Dallas, Texas, United States
21. Columbia University, New York, New York, United States
22. RWTH Aachen Medical University, Institute of Pathology, Aachen, Germany
23. University of Cincinnati, Cincinnati, Ohio, United States
24. Johns Hopkins University School of Medicine, Pulmonary and Critical Care Medicine, Baltimore, Maryland, United States
25. University of South Alabama, Mobile, Alabama, United States
26. Medical College of Wisconsin, Department of Pediatrics/Division of Neonatology, Milwaukee, Wisconsin, United States
27. University of Illinois, Chicago, Pharmacology, Chicago, United States
28. Brown University / Providence VA Medical Center, Medicine, Providence, Rhode Island, United States
29. Yale University, Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, New Haven, Connecticut, United States
30. Hannover Medical School, Department of Pulmonary and Infectious Diseases, Hannover, Niedersachsen, Germany
31. Johns Hopkins University, Medicine, Div. of Pulmonary / Critical Care, Baltimore, Maryland, United States
32. University of South Alabama College of Medicine, Mobile, Alabama, United States
33. University of South Alabama, Department of Pharmacology, Mobile, Alabama, United States
34. University of South Alabama, Department of Mechanical Aerospace and Biomedical Engineering, Mobile, Alabama, United States
35. Brown University, Medicine , Providence, Rhode Island, United States
36. Indiana University Purdue University at Indianapolis, Indianapolis, Indiana, United States
37. University of South Alabama, Physiology and Cell Biology, Mobile, Alabama, United States
38. Johns Hopkins University, Medicine, Baltimore, Maryland, United States