*Vertices 15
1 "ActaNeurochir" 0.0 0.0 0.0 x_fact 2.965397 y_fact 3.299945
2 "ArchNeurolChicago" 0.0 0.0 0.0 x_fact 2.589279 y_fact 3.323699
3 "Brain" 0.0 0.0 0.0 x_fact 3.295985 y_fact 4.903397
4 "Cancer" 0.0 0.0 0.0 x_fact 1.801409 y_fact 5.299311
5 "Epilepsia" 0.0 0.0 0.0 x_fact 2.464566 y_fact 5.162721
6 "JBoneJointSurgAm" 0.0 0.0 0.0 x_fact 1.363924 y_fact 4.408504
7 "JClinEndocrMetab" 0.0 0.0 0.0 x_fact 2.133977 y_fact 13.009739
8 "JNeurolNeurosurPs" 0.0 0.0 0.0 x_fact 4.972682 y_fact 6.200016
9 "JNeurosurg" 0.0 0.0 0.0 x_fact 6.071344 y_fact 9.614776
10 "Neurology" 0.0 0.0 0.0 x_fact 6.932457 y_fact 13.991607
11 "NeurosurgQuart" 0.0 0.0 0.0 x_fact 1.789532 y_fact 1.795471
12 "Neurosurgery" 0.0 0.0 0.0 x_fact 5.722939 y_fact 8.415156
13 "NewEnglJMed" 0.0 0.0 0.0 x_fact 1.160029 y_fact 5.519043
14 "Spine" 0.0 0.0 0.0 x_fact 2.747644 y_fact 12.077362
15 "SurgNeurol" 0.0 0.0 0.0 x_fact 2.680339 y_fact 2.979254
*Matrix 
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