“…In almost half of the studies (n = 41), the minimum age of participants was under 65 years old [ 21 , 24 , 26 , 27 , 30 , 32 , 34 , 35 , 41 , 42 , 44 , 45 , 53 , 54 , 56 , 59 , 67 – 70 , 72 – 74 , 77 , 78 , 80 – 82 , 84 – 86 , 89 , 90 , 92 – 95 , 101 , 104 – 106 , 109 , 110 ]; almost the same proportion (n = 38) excluded people under 65 years old [ 10 , 29 , 31 , 33 , 36 , 37 , 39 , 40 , 43 , 46 , 48 , 50 – 52 , 55 , 57 , 58 , 61 , 63 – 66 ,…”