1. From LungenClinic Grosshansdorf and Christian-Albrechts University Kiel, Airway Research Center North, German Center for Lung Research (DZL), Grosshansdorf, Germany (K.F.R.); the Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York (F.J.M.); the Pulmonary Research Institute of Southeast Michigan, Farmington Hills (G.T.F.); the National Clinical Research Center for Respiratory Diseases, China–Japan Friendship Hospital, Beijing (C.W.); the Medicines Evaluation Unit, University...