“…The recruited articles included retrospective studies ( n = 20) [ 5 , 10 , 13 , 15 – 17 , 20 – 23 , 25 , 26 , 28 , 30 , 32 , 36 , 37 , 39 , 41 , 42 ], case reports ( n = 13) [ 3 , 4 , 8 , 9 , 12 , 14 , 18 , 24 , 27 , 29 , 31 , 33 , 35 ], case series ( n = 2) [ 11 , 34 ], medical imaging ( n = 1) [ 19 ], pilot projects ( n = 1) [ 40 ], and a letter to the editor ( n = 1) [ 38 ]. A forest plot is shown in Figure 2 .…”