The investigators have received full approval from the West Wales Research Ethics Committee,Committee (reference 16/WA/038, IRAS ID 213050), to carry out this study. Written informed consent will be sought for all interviews, observations (service users and nurses), and reviews of reflective diaries or accounts. Copies of the consent forms will be placed in service users' records or given to the interviewees, as appropriate, and stored by the research team in a locked cabinet in a locked office. Participants or their consultees will be free to withdraw or retract their data at any time. Swansea University are the study sponsors and provide indemnity cover.