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1 From the Division of Pulmonary, Allergy, and Critical Care Medicine and the Center for Translational Lung Biology, Lung Biology Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia (N.J.M.); and the Department of Internal Medicine, University of Michigan, and VA Center for Clinical Management Research - both in Ann Arbor (H.C.P.).
1 From the Division of Pulmonary, Allergy, and Critical Care Medicine and the Center for Translational Lung Biology, Lung Biology Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia (N.J.M.); and the Department of Internal Medicine, University of Michigan, and VA Center for Clinical Management Research - both in Ann Arbor (H.C.P.).