“…Empirical studies included 7 US survey studies,22–28 an online observational study from Sweden,19 and a bacteriological study from Japan 29. Nonresearch articles consisted of 4 letters to the editor9,12,20,30 and 6 commentary and opinion pieces 11,18,31–33. Other nonresearch articles included 2 case studies,8,16 a legal commentary,34 2 specific to nursing issues,10,17 and an editorial 35.…”