1. Norwegian Centre for E-health Research, University Hospital of North Norway, Tromsø, Norway;
2. Department of Clinical Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway;
3. Laboratory of Welfare Technologies-Digital Health & Rehabilitation, Sports Science, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark;
4. Department of Immunology and Pathology, Central Clinical School, Monash University, Melbourne, Victoria, Australia;
5. Physiotherapy Department and
6. Institute for Breathing and Sleep, Melbourne, Victoria, Australia;
7. Royal Hobart Hospital, Hobart, Tasmania, Australia;
8. Physiotherapy Department, Federal University of Juiz de Fora, Governador Valadares, Brazil; and
9. Pulmonary Medicine Department, Hospital South West Jutland, Esbjerg, Denmark
10. Respiratory Medicine, Alfred Health, Melbourne, Victoria, Australia;