“…Altogether 11 of the 19 included studies (30,35,37,38,(42)(43)(44)(45)(46)(47)(48) had interventions that were specifically directed towards nurses. In seven studies (32-34, 36, 39, 49, 50), interventions were directed at all of the staff of participating health care facilities, and, in one study, the intervention was directed towards respiratory therapists (40).…”