1. University Hospital Aintree, Liverpool, United Kingdom
2. School of Ageing and Chronic Disease, University of Liverpool, Liverpool, United Kingdom
3. Restech s.r.l., Milano, Italy
4. Norwegian Centre for E-health Research, University Hospital of North Norway, Tromsø, Norway
5. Technomedicum, Tallinn University of Technology, Tallinn, Estonia
6. Department of Medical Sciences: Clinical Physiology, and
7. Hospital Clinic and
8. Centro de Investigacion Biomedica en Red de Enfermedades Respiratorias, Madrid, Spain
9. Community and Health Research Unit, School of Health and Social Care, University of Lincoln, Lincoln, United Kingdom
10. Hospital of Sežana, Sežana, Slovenia
11. Elettronica Bio Medicale S.p.a., Foligno, Italy; and
12. Department of Medical Sciences: Respiratory, Sleep, and Allergy Research, Uppsala University, Uppsala, Sweden
13. Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona–Institut Investigacions Biomediques August Pi Sunyer, Barcelona, Spain
14. Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano University, Milano, Italy