V.Courtney Broaddus, MD, Professor Emeritus of Medicine University of California, San Francisco Division of Pulmonary and Critical Care Medicine San Francisco General Hospital San Francisco, California, Joel D Ernst, MD, Professor and Chief Division of Experimental Medicine Department of Medicine University of California, San Francisco San Francisco General Hospital San Francisco, California, Talmadge E King, Jr, MD, Julius R. Krevans Distinguished Professorship in Internal Medicine, Chair, Department of Medicine, University of California San Francisco, San Francisco, California, Stephen C. Lazarus, MD, Professor of Medicine, Division of Pulmonary & Critical Care Medicine, Director, Clinical Training Program in Pulmonary & Critical Care Medicine, Associate Director, Adult Pulmonary Laboratory, Senior Investigator, Cardiovascular Research Institute, University of California San Francisco, San Francisco, California, Kathleen F. Sarmiento, MD, Associate Professor Department of Medicine University of California, San Francisco, Lynn M. 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, Mayo Clinic, Scottsdale, AZ; Clinical Associate Professor, Diagnostic Radiology / Biomedical Imaging & Pulmonary / Critical Care Medicine, Department of Radiology, University of California, San Francisco, San Francisco, California; Clinical Professor, University of Arizona College of Medicine, Phoenix, AZ; Adjunct Professor, Department of Biomedical Informatics, Arizona State University, Tempe, AZ