1. Albany Medical Center, 138207, Albany, New York, United States;
2. Medical College of Wisconsin, 5506, Milwaukee, Wisconsin, United States
3. Albany Medical College, 1092, Albany, New York, United States
4. Thoracic Surgery, albany, United States
5. Albany Medical College, 1092, Neuroscience and Experimental Therapeutics , Albany, New York, United States
6. Albany Medical College, 1092, Radiology, Albany, New York, United States
7. Albany Medical College, 1092, Medicine, Albany, New York, United States
8. University of Florida, 3463, Gainesville, Florida, United States
9. Albany Medical Center, 138207, Medicine, Albany, New York, United States
10. Vanderbilt University Department of Medicine, 171754, Pulmonary and Critical Care Medicine, Nashville, Tennessee, United States
11. University of Oxford, Oxford Respiratory Trials Unit, Oxford, United Kingdom of Great Britain and Northern Ireland
12. Ralph H Johnson VA Medical Center, 20101, Charleston, South Carolina, United States
13. albany, United States