“…Four of the studies were conducted in Canada (20,23,27,28), four in the USA (19,21,24,29), and one study was conducted in each of Australia (22), China (26), Norway (31), Taiwan (25), and the UK (30). Specialist palliative care (SPC) units within medical centres (26), hospitals (23,27,28), and teaching hospitals (22,25) were the most common locations of research.…”