*Vertices 14
1 "ActaNeurochir" 0.0 0.0 0.0 x_fact 3.274185 y_fact 3.663158
2 "AmJNeuroradiol" 0.0 0.0 0.0 x_fact 4.787970 y_fact 7.161905
3 "BritJNeurosurg" 0.0 0.0 0.0 x_fact 1.315288 y_fact 1.433584
4 "BritMedJ" 0.0 0.0 0.0 x_fact 1.192982 y_fact 4.116291
5 "JNeuroOncol" 0.0 0.0 0.0 x_fact 1.475689 y_fact 2.039098
6 "JNeurolNeurosurPs" 0.0 0.0 0.0 x_fact 3.147870 y_fact 4.032080
7 "JNeurosurg" 0.0 0.0 0.0 x_fact 6.885213 y_fact 10.913283
8 "Lancet" 0.0 0.0 0.0 x_fact 2.430075 y_fact 7.298246
9 "Neurology" 0.0 0.0 0.0 x_fact 3.685213 y_fact 9.754386
10 "Neurosurgery" 0.0 0.0 0.0 x_fact 9.170927 y_fact 13.074687
11 "Radiology" 0.0 0.0 0.0 x_fact 1.714286 y_fact 5.960902
12 "Spine" 0.0 0.0 0.0 x_fact 2.480201 y_fact 13.774436
13 "Stroke" 0.0 0.0 0.0 x_fact 4.812030 y_fact 12.026065
14 "SurgNeurol" 0.0 0.0 0.0 x_fact 4.282707 y_fact 4.751880
*Matrix 
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0.439957 0.000000 0.575505 0.000000 0.354585 0.425242 0.446355 0.000000 0.312920 0.426548 0.514955 0.000000 0.407597 0.490301 
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