*Vertices 9
1 "ActaNeurochir" 0.0 0.0 0.0 x_fact 4.511493 y_fact 5.796412
2 "ClinNeurolNeurosur" 0.0 0.0 0.0 x_fact 1.170704 y_fact 1.565697
3 "JClinNeurosci" 0.0 0.0 0.0 x_fact 1.004140 y_fact 1.822681
4 "JNeuroOncol" 0.0 0.0 0.0 x_fact 1.779851 y_fact 3.602532
5 "JNeurol" 0.0 0.0 0.0 x_fact 2.679294 y_fact 3.788131
6 "JNeurolSci" 0.0 0.0 0.0 x_fact 2.317613 y_fact 4.349688
7 "JNeurosurg" 0.0 0.0 0.0 x_fact 18.797887 y_fact 26.816732
8 "Neurology" 0.0 0.0 0.0 x_fact 16.642079 y_fact 29.619759
9 "Neurosurgery" 0.0 0.0 0.0 x_fact 14.966925 y_fact 22.638367
*Matrix 
0.000000 0.672388 0.695531 0.469856 0.206636 0.000000 0.962642 0.000000 0.958961 
0.672388 0.000000 0.680346 0.462285 0.602565 0.517662 0.627539 0.519812 0.619607 
0.695531 0.680346 0.000000 0.457471 0.322213 0.283083 0.613254 0.274684 0.625604 
0.469856 0.462285 0.457471 0.000000 0.000000 0.000000 0.477896 0.000000 0.466176 
0.206636 0.602565 0.322213 0.000000 0.000000 0.883056 0.000000 0.853445 0.000000 
0.000000 0.517662 0.283083 0.000000 0.883056 0.000000 0.000000 0.752949 0.000000 
0.962642 0.627539 0.613254 0.477896 0.000000 0.000000 0.000000 0.000000 0.984972 
0.000000 0.519812 0.274684 0.000000 0.853445 0.752949 0.000000 0.000000 0.000000 
0.958961 0.619607 0.625604 0.466176 0.000000 0.000000 0.984972 0.000000 0.000000