[1] Norwegian University of Science and Technology,European Palliative Care Research Centre, Department of Cancer Research and Molecular Medicine, Faculty of Medicine
[2] St. Olavs Hospital,Cancer Clinic
[3] Trondheim University Hospital,Department of Anaesthesiology and Emergency Medicine
[4] St. Olavs Hospital,Regional Centre for Excellence in Palliative Care, Department of Oncology
[5] Trondheim University Hospital,Palliative Care, Pain Therapy and Rehabilitation Unit
[6] Oslo University Hospital,Department of Cancer Research and Molecular Medicine, Faculty of Medicine
[7] Fondazione IRCCS Instituto Nazionale dei Tumori,undefined
[8] NTNU,undefined
[9] St. Olavs University Hospital,undefined