V.Courtney Broaddus, MD, John F. Murray Distinguished Professor of Medicine, Division of Pulmonary and Critical Care Medicine, University of California, San Francisco, Joel D. Ernst, MD, Professor and Chief, Division of Experimental Medicine, University of California, San Francisco, Talmadge E King, Jr, MD, Dean, School of Medicine, Vice Chancellor, Medical Affairs, University of California, San Francisco, Stephen C. Lazarus, MD, Professor of Medicine, Division of Pulmonary and Critical Care Medicine, Senior Investigator, Cardiovascular Research Institute, Director, Fellowship Program in Pulmonary and Critical Care Medicine, University of California, San Francisco, Kathleen Sarmiento, MD, Professor, Department of Medicine, University of California, San Francisco, Lynn Schnapp, MD, George R and Elaine Love Professor Chair, Department of Medicine, University of Wisconsin, School of Medicine and Public Health Madison, Wisconsin, Renee D. Stapleton, MD, PhD, Associate Professor, Pulmonary and Critical Care Medicine, University of Vermont College of Medicine, Burlington, Vermont. and Michael B. Gotway, MD, Professor of Radiology, Department of Diagnostic Imaging, Mayo Clinic, Scottsdale, AZ, Clinical Associate Professor, Departments of, Diagnostic Radiology and Biomedical Imaging, and Pulmonary and Critical Care Medicine, University of California San Francisco, San Francisco, CA, Clinical Professor, University of Arizona College of Medicine, Phoenix, AZ, Adjunct Professor, Department of Biomedical Informatics, Arizona State University, Tempe, AZ