[1] Yale School of Public Health,Department of Biostatistics
[2] Duke Clinical Research Institute,Department of Medicine
[3] Duke University Medical Center,Division of Pulmonary and Critical Care Medicine
[4] Boehringer Ingelheim Pharmaceuticals,Section of Pulmonary and Critical Care Medicine
[5] Inc,Department of Medicine
[6] Boehringer Ingelheim Pharma GmbH & Co. KG,undefined
[7] Weill Cornell Medicine,undefined
[8] University of Alabama at Birmingham,undefined
[9] University of Virginia,undefined
[10] Hospital of the University of Pennsylvania,undefined
[11] Stanford University School of Medicine,undefined
[12] Houston Methodist Lung Center,undefined
[13] University of Chicago,undefined
[14] Vanderbilt University Medical Center,undefined