“…Thirty-five studies (29.7%) used a time frame of 6–10 years ( 23 , 31 , 36 , 37 , 40 , 55 , 59 , 62 , 64 , 69 , 81 , 83 , 91 , 94 , 99 , 103 – 105 , 107 , 109 , 111 , 115 , 116 , 118 , 119 , 121 , 123 – 125 , 127 , 129 , 134 ). The remaining studies adopted even longer time horizons: 11–15 years ( n = 37; 31.4%) ( 20 – 22 , 24 , 25 , 27 , 30 , 32 , 33 , 35 , 49 , 50 , 52 , 54 , 56 , 57 , 67 , 72 – 78 , 80 , 82 , 85 , 86 , 88 , 89 , 93 , 96 , 97 , 101 , 108 , 112 , 114 , 128 , 130 ), and ≥16 years ( n = 33; 28.0%) ( 79 ).…”