“…Studies used many different strategies to develop interventions. Most studies gathered information directly from clinical wards by speaking with staff or patients (Bisconer, ; Bowers et al ., , ; Carr, ; Dennis, ; Sullivan et al ., ; Triplett et al ., ), observing the practice (Bowers et al ., , ) or reviewing ward data (Carr, ; Dennis, ). Other studies also looked at existing research to develop their intervention (Bowers et al ., , , ; Carr, ; Dodds & Bowles ; James et al ., ; Ray, Perkins & Meijer, ; Ray et al ., ).…”