1. Regional Cancer Centre, Stockholm-Gotland, SE-10425 Stockholm, Sweden
2. Department of Nursing, Umeå University, SE-90187 Umeå, Sweden
3. Department for Oncology, University Hospital Center Osijek, 31000 Osijek, Croatia
4. Department of Nursing, Cyprus University of Technology, Limassol 3036, Cyprus
5. Nursing and Palliative Care, Faculty for Medicine and Dental Health, 31000 Osijek, Croatia
6. School of Health & Social Care, Edinburgh Napier University, Edinburgh EH11 4BN, UK
7. ME Head & Neck, Lung & Skin Cancer, Karolinska Comprehensive Cancer Center, SE-17176 Stockholm, Sweden
8. Department of Oncology and Pathology, Karolinska Institutet, SE-17177 Stockholm, Sweden