1. Institute of Regional Health Research, Hospital Soenderjylland, University of Southern Denmark, Odense, Denmark
2. Department of Internal Medicine, Medical Research Unit, Hospital Soenderjylland, University Hospital of Southern Jutland, Aabenraa, Denmark
3. Centre for Innovative Medical Technology, Odense University Hospital, Odense, Denmark
4. Faculty of Health Sciences, Department of Clinical Research, Family Focused Healthcare Research Centre (FaCe), University of Southern Denmark, Odense, Denmark
5. Faculty of Medicine, Centre for Online Health, The University of Queensland, Australia
6. HELIOS Klinikum Schleswig, Department of Anesthesiology, Intensive Care, Palliative Medicine and Pain Therapy, Schleswig, Schleswig-Holstein, Germany
7. Department of Palliative Medicine, Faculty of Medicine and University Hospital, University of Cologne, Cologne, Germany
8. Department of Oncology, Odense University Hospital, Odense, Denmark