“…Resources were the most frequently identified determinant to sustainability of ERAS programmes (n/N = 9/12, 75%), 33,34,41,44,46,47,49,50,52 commonly resources such as investment in dedicated staff and infrastructure such as audit and reporting systems. This was followed equally by People involved 33,34,36,41,[47][48][49]52 and the Organisational setting 33,34,36,41,44,46,49,52 (n/N = 8/12, 67%). Determinants related to the External environment were least often identified (n/N = 3/12, 25%).…”