“…With the addition of two studies which were found through screening the reference lists of included studies, 72 studies were included in the systematic review (Figure 1, Supplementary Table S1). 4,13, There were 56 included studies that used autologous cartilage, 4,13,23-25,27,31-36,38,41-43,45-50,53-63,65-68,71-83,85,86,88,90-92 six studies that used alloplastic implants, 28,37,40,44,70,87 and six studies featuring both techniques, with a total of 5546 patients included. 26,29,30,39,52,64 The remaining studies used prostheses, 51,69 tissue engineering, 89 and an irradiated cadaver homograft.…”