“…A total of 26 studies utilised palliative care materials to develop a PCE program for healthcare professionals, 22 of which used self-developed palliative care materials [28,31,32,33,34,36,37,39,40,42,43,44,46,47,48,49,51,53,56,57,58,59] and four of which employed existing online resources [36,46,55,63]. There were three studies that utilised the self-developed palliative care materials to develop PCE programs for family caregivers.…”