*Vertices 13
1 "ActaNeurochir" 0.0 0.0 0.0 x_fact 4.173556 y_fact 4.664135
2 "AmJNeuroradiol" 0.0 0.0 0.0 x_fact 4.044552 y_fact 6.263059
3 "Brain" 0.0 0.0 0.0 x_fact 3.544888 y_fact 5.447245
4 "Epilepsia" 0.0 0.0 0.0 x_fact 3.701147 y_fact 8.147246
5 "IntJRadiatOncol" 0.0 0.0 0.0 x_fact 1.638897 y_fact 10.467504
6 "JNeurolNeurosurPs" 0.0 0.0 0.0 x_fact 3.543071 y_fact 4.235333
7 "JNeurosurg" 0.0 0.0 0.0 x_fact 6.253975 y_fact 9.315551
8 "Lancet" 0.0 0.0 0.0 x_fact 2.362047 y_fact 6.595563
9 "Neurology" 0.0 0.0 0.0 x_fact 5.358214 y_fact 10.313062
10 "Neurosurgery" 0.0 0.0 0.0 x_fact 6.622817 y_fact 9.551756
11 "NewEnglJMed" 0.0 0.0 0.0 x_fact 1.489907 y_fact 5.038429
12 "Stroke" 0.0 0.0 0.0 x_fact 7.340516 y_fact 16.332649
13 "SurgNeurol" 0.0 0.0 0.0 x_fact 3.243273 y_fact 3.628468
*Matrix 
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