*Vertices 15
1 "ActaNeurochir" 0.0 0.0 0.0 x_fact 2.120922 y_fact 2.399644
2 "Brain" 0.0 0.0 0.0 x_fact 2.711350 y_fact 4.050533
3 "BrainRes" 0.0 0.0 0.0 x_fact 4.128047 y_fact 9.982848
4 "Cancer" 0.0 0.0 0.0 x_fact 4.071973 y_fact 6.986179
5 "IntJRadiatOncol" 0.0 0.0 0.0 x_fact 3.257248 y_fact 10.416598
6 "JClinOncol" 0.0 0.0 0.0 x_fact 2.995019 y_fact 8.171983
7 "JNeurophysiol" 0.0 0.0 0.0 x_fact 4.227001 y_fact 12.184583
8 "JNeurosurg" 0.0 0.0 0.0 x_fact 4.728370 y_fact 7.680509
9 "Neurology" 0.0 0.0 0.0 x_fact 2.650328 y_fact 8.531517
10 "NeurosurgClinNAm" 0.0 0.0 0.0 x_fact 1.596464 y_fact 1.621203
11 "Neurosurgery" 0.0 0.0 0.0 x_fact 4.405119 y_fact 6.648085
12 "Pain" 0.0 0.0 0.0 x_fact 2.247914 y_fact 5.508461
13 "PediatrNeurosurg" 0.0 0.0 0.0 x_fact 0.384273 y_fact 0.494772
14 "Science" 0.0 0.0 0.0 x_fact 0.275423 y_fact 5.881189
15 "Spine" 0.0 0.0 0.0 x_fact 1.669031 y_fact 9.441897
*Matrix 
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