1 Department of Pneumology and Department of Intensive Care Medicine, Universitätsmedizin Rostock, Rostock, Germany. Electronic address: marek.lommatzsch@med.uni-rostock.de.
2 Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium.
3 Department of Biomedical Sciences, Humanitas University, Asthma & Allergy Unit, IRCCS Humanitas Research Hospital, Milan, Italy.
4 Guy's Severe Asthma Centre, School of Immunology & Microbial Sciences, King's College London, London, UK.
5 Division of Respirology, Department of Medicine, McMaster University, Hamilton, ON, Canada.
6 Pulmonary Department, Mainz University Hospital, Mainz, Germany.
7 Department of Pneumology and Department of Intensive Care Medicine, Universitätsmedizin Rostock, Rostock, Germany.