“…With regard to the methods used for validating the performance of the AI models, 13 studie s 29,32,35,39,42,46,51,57,65,70,[72][73][74] used split sample validation, ten 28,30,41,48,50,52,54,62,63,66 used leave-one-out cross-validation (LOOCV), two 34,68 used 3-fold cross-validation (CV), one 56 used 4-fold CV, three 38,40,44 used 5-fold CV, three 33,36,47 used 10-fold CV, one 43 used out-of-bag estimate, 12 31,45,49,55,[58][59][60][61]64,71,75,76 used independent sample validation, three 27,37,75 used multiple validation techniques, and two 53,67 did not describe the validat...…”