1 Institute of Laboratory Medicine, Philipps University Marburg, Marburg, Germany; Universities of Giessen and Marburg Lung Center, German Center for Lung Research, Marburg, Germany. Electronic address: Chrysanthi.Skevaki@uk-gm.de.
2 Department of Medicine, Division of Allergy and Clinical Immunology, Brigham and Women's Hospital and Harvard Medical School, Boston, Mass; Ragon Institute of Massachusetts General Hospital, Harvard and MIT, Cambridge, Mass; Broad Institute of MIT and Harvard, Cambridge, Mass. Electronic address: dwesemann@bwh.harvard.edu.