*Vertices 19
1 "ActaNeurochir" 0.0 0.0 0.0 x_fact 4.470331 y_fact 5.125592
2 "BritJNeurosurg" 0.0 0.0 0.0 x_fact 1.507099 y_fact 1.635724
3 "ChildNervSyst" 0.0 0.0 0.0 x_fact 1.577478 y_fact 2.533673
4 "ClinNeurolNeurosur" 0.0 0.0 0.0 x_fact 0.783885 y_fact 0.985317
5 "EurSpineJ" 0.0 0.0 0.0 x_fact 2.409902 y_fact 4.060187
6 "JClinNeurosci" 0.0 0.0 0.0 x_fact 0.982890 y_fact 1.400315
7 "JKoreanNeurosurgS" 0.0 0.0 0.0 x_fact 0.038830 y_fact 0.315496
8 "JNeuroOncol" 0.0 0.0 0.0 x_fact 1.630870 y_fact 2.560369
9 "JNeurosurg" 0.0 0.0 0.0 x_fact 18.997694 y_fact 23.087004
10 "JNeurosurgSpine" 0.0 0.0 0.0 x_fact 1.482830 y_fact 2.016746
11 "Neurochirurgie" 0.0 0.0 0.0 x_fact 0.531489 y_fact 0.650407
12 "Neurocirugia" 0.0 0.0 0.0 x_fact 0.118918 y_fact 0.259677
13 "NeurolIndia" 0.0 0.0 0.0 x_fact 0.376168 y_fact 0.582454
14 "NeurolMedChir" 0.0 0.0 0.0 x_fact 1.405169 y_fact 1.582332
15 "NeurosurgRev" 0.0 0.0 0.0 x_fact 0.866400 y_fact 0.922218
16 "Neurosurgery" 0.0 0.0 0.0 x_fact 15.833030 y_fact 19.745177
17 "PediatrNeurosurg" 0.0 0.0 0.0 x_fact 1.519233 y_fact 1.839583
18 "Spine" 0.0 0.0 0.0 x_fact 12.915908 y_fact 25.305181
19 "SurgNeurol" 0.0 0.0 0.0 x_fact 4.878049 y_fact 5.392549
*Matrix 
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0.383978 0.473382 0.000000 0.302128 0.803317 0.364153 0.000000 0.000000 0.409212 0.000000 0.339734 0.000000 0.266288 0.333662 0.488844 0.417997 0.000000 0.870328 0.426925 
0.806820 0.788728 0.371073 0.590650 0.000000 0.531760 0.000000 0.426285 0.797584 0.339734 0.000000 0.000000 0.312454 0.647015 0.774932 0.844377 0.422903 0.000000 0.774868 
0.254554 0.287238 0.242103 0.213348 0.000000 0.000000 0.000000 0.000000 0.224295 0.000000 0.000000 0.000000 0.000000 0.288255 0.286526 0.211832 0.223958 0.000000 0.251446 
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0.963770 0.943632 0.452651 0.708023 0.216773 0.673302 0.246224 0.493198 0.984391 0.417997 0.844377 0.211832 0.391374 0.846471 0.927856 0.000000 0.487887 0.246741 0.958535 
0.513792 0.534066 0.971599 0.451258 0.000000 0.394179 0.000000 0.498889 0.516209 0.000000 0.422903 0.223958 0.292354 0.493549 0.617620 0.487887 0.000000 0.000000 0.543550 
0.228808 0.284706 0.000000 0.000000 0.929248 0.220953 0.000000 0.000000 0.243949 0.870328 0.000000 0.000000 0.000000 0.000000 0.321867 0.246741 0.000000 0.000000 0.256245 
0.976673 0.946147 0.491697 0.769990 0.233190 0.727831 0.342082 0.520019 0.946821 0.426925 0.774868 0.251446 0.429855 0.922865 0.959450 0.958535 0.543550 0.256245 0.000000