“…The vast majority of articles are based on qualitative research ( n = 47). 38 , 39 , 41 , 42 , 44 , 46 – 52 , 54 – 59 , 61 – 63 , 65 , 66 , 68 – 70 , 72 , 74 – 78 , 80 , 82 – 84 , 86 , 88 , 90 – 97 , 99 Eleven articles report a quantitative observational study. 40 , 43 , 45 , 53 , 67 , 71 , 73 , 85 , 87 , 89 , <...…”