“…Patients and family members were recruited by researchers (49,60,61,64,65), nurses (50,51,62,63,(66)(67)(68)(69) or other healthcare staff (51,52,69,70). Many studies did not indicate who was responsible for recruitment (53,54,56,57,59,(71)(72)(73)(74)(75)(76). With just four exceptions (53,56,66,77), most studies reported their dropout rates (range 0-98).…”