N Engl J Med 2015 May 17;372(21):1987-95. Epub 2015 May 17.
From the Fraunhofer Institute for Toxicology and Experimental Medicine (N.K., J.M.H.) and the Department of Dermatology and Allergy, Hannover Medical School (J.Z., T.W.), Hannover, Pulmonary Research Institute at Lung Clinic Grosshansdorf, Grosshansdorf (A.-M.K.), Institut für klinische Forschung Pneumologie, Clinical Research Center Respiratory Medicine, Frankfurt (O.K.), Insaf Respiratory Research Institute, Wiesbaden (K.M.B.), Inamed, Gauting (D.K., W.T.), Pulmonary Department, Medical Clinic, University Hospital Mainz, Mainz (S.K., R.B.), Charité Research Organization, Berlin (S.I.), FGK Clinical Research, Munich (C.R.), Sterna Biologicals (J.B., U.H., A.T., J.R.) and Institute of Laboratory Medicine, Philipps University Marburg, a member of Universities Giessen and Marburg Lung Center (H.G., H.R.), Marburg - all in Germany; Upper Airways Research Laboratory, University Hospital Ghent, Ghent, Belgium (N.Z., C.B.); and the Division of Ear, Nose, and Throat Diseases, Clintec, Karolinska Institute, Stockholm (N.Z., C.B.).