1. Institute for Pulmonary Rehabilitation ResearchSchoen Klinik Berchtesgadener Land Schoenau am Koenigssee Germany
2. Department of Prevention, Rehabilitation and Sports MedicineTechnical University of Munich (TUM) Munich Germany
3. Department of PhysiotherapyMonash University Melbourne VIC Australia
4. Monash Health, Monash Lung and Sleep Melbourne VIC Australia
5. Department of Pulmonary RehabilitationPhilipps‐University of Marburg, German Center for Lung Research (DZL) Marburg Germany