“…Studies included in this review fell into seven categories. The most numerous group of studies were those concerned with service organisation and delivery ( n = 29, 26.9% [ 23 , 27 , 32 – 35 , 43 – 46 , 58 , 76 , 79 , 82 , 84 , 86 , 89 , 91 , 92 , 99 , 105 – 107 , 110 , 115 , 116 , 119 , 122 , 127 , 133 – 136 , 140 , 146 , 148 ]). For example, in the UK, Grant et al [ 34 , 35 ] evaluated a complex intervention aimed at reducing risk in prescribing in primary care.…”