1. argenx BVBA, Zwijnaarde, Belgium
2. VIB-UGent Center for Inflammation Research, Ghent, Belgium
3. Department of Internal Medicine, Ghent University, Ghent, Belgium
4. Department of Pulmonary Medicine, ErasmusMC, Rotterdam, The Netherlands
5. Department of Epidemiology and Respiratory Medicine, ErasmusMC, Rotterdam, The Netherlands
6. Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium