“…Most biomarker studies analyzed small case cohorts (24/49), 65 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 , 75 , 76 , 77 , 78 , 79 , 80 , 81 , 82 , 83 , 84 , 85 , 86 , 87 , 88 , 89 18 studies were midsized, 90 , 91 , 92 , 93 , 94 , 95 , 96 , 97 , 98 , 99 , 100 , 101 , 102 , 103 , 104 , 105 , 106 , 107 and 7 were large. 66 , 108 , 109 , 110 , 111 , 112 , 113 We observed a variety of approaches for phenotyping and classifi...…”