1Lovisenberg Diaconal University College, Oslo, Norway
2Department of Nursing and Health Promotion, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
3Department of Health, Bjorknes University College, Oslo, Norway
4Department of Physiotherapy, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
5Regional Advisory Unit for Palliative Care, Department of Oncology, Oslo University Hospital, Oslo, Norway
6Norwegian Institute of Public Health, Oslo, Norway
7Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
8Oslo Centre of Biostatistics and Epidemiology, Research Support Services, Oslo University Hospital, Oslo, Norway
© The Author(s) 2021
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