3 Department of Electrical Engineering (ESAT) and Department of Development & Regeneration, KU Leuven, Leuven, Belgium.
4 Medisch Spectrum Twente, Enschede, The Netherlands.
5 Respiratory Physiology, Royal Papworth Hospital NHS Foundation Trust, Cambridge, UK.
6 Department of Medicine, Pulmonary and Critical Care Medicine, University Medical Center Giessen and Marburg, Marburg, Germany.
7 Service de Physiologie-Explorations Fonctionnelles, Assistance Publique-Hôpitaux de Paris (APHP), Hôpital Cochin, Université Paris Cité, Paris, France.
8 Department of Clinical Physiology and Nuclear Medicine, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.
9 Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
10 Respiratory Medicine, University Hospital Leuven, Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium.
11 These authors contributed equally to this work.