Stein Kaasa Faculty of Medicine, Norwegian University of Science and Technology, Trondheim and Department of Oncology, St. Olavs University Hospital, Trondheim, Karin Torvik Department of Nursing, College of Higher Eduction, Oslo, Nathan Cherny Department of Oncology, Shaare Zedek Medical Center, Jerusalem, Geoffrey Hanks Department of Palliative Medicine, Bristol Haematology and Oncology Centr...