*Vertices 18
1 "Anesthesiology" 0.0 0.0 0.0 x_fact 1.576299 y_fact 4.156436
2 "AnnNeurol" 0.0 0.0 0.0 x_fact 2.405144 y_fact 3.041361
3 "ArchNeurolChicago" 0.0 0.0 0.0 x_fact 2.776836 y_fact 3.366930
4 "Brain" 0.0 0.0 0.0 x_fact 4.152366 y_fact 5.572663
5 "BritMedJ" 0.0 0.0 0.0 x_fact 3.483593 y_fact 6.705373
6 "Cephalalgia" 0.0 0.0 0.0 x_fact 2.357665 y_fact 3.574481
7 "CochraneDbSystRev" 0.0 0.0 0.0 x_fact 5.921294 y_fact 7.903197
8 "Headache" 0.0 0.0 0.0 x_fact 2.608625 y_fact 3.920398
9 "JNeurolNeurosurPs" 0.0 0.0 0.0 x_fact 2.968108 y_fact 3.484949
10 "JNeurosci" 0.0 0.0 0.0 x_fact 2.620834 y_fact 15.613766
11 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 2.497389 y_fact 4.621729
12 "Lancet" 0.0 0.0 0.0 x_fact 2.949116 y_fact 6.109853
13 "LancetNeurol" 0.0 0.0 0.0 x_fact 3.681647 y_fact 3.993651
14 "MovementDisord" 0.0 0.0 0.0 x_fact 5.671690 y_fact 8.150087
15 "NatClinPractNeuro" 0.0 0.0 0.0 x_fact 0.439519 y_fact 0.444945
16 "Neurology" 0.0 0.0 0.0 x_fact 6.314690 y_fact 10.013972
17 "NewEnglJMed" 0.0 0.0 0.0 x_fact 2.148758 y_fact 4.798079
18 "Pain" 0.0 0.0 0.0 x_fact 1.881520 y_fact 4.528128
*Matrix 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.245854 0.000000 0.000000 0.200442 
0.000000 0.000000 0.886968 0.876962 0.000000 0.368158 0.275402 0.332748 0.882137 0.293500 0.234067 0.254576 0.904937 0.656538 0.809778 0.880527 0.291927 0.000000 
0.000000 0.886968 0.000000 0.814527 0.000000 0.337922 0.228971 0.326110 0.934526 0.000000 0.000000 0.000000 0.886827 0.722250 0.830280 0.967027 0.212844 0.000000 
0.000000 0.876962 0.814527 0.000000 0.000000 0.327612 0.000000 0.283031 0.855942 0.363209 0.000000 0.000000 0.851828 0.685198 0.747912 0.822587 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.758538 0.000000 0.000000 0.000000 0.457887 0.530106 0.239941 0.000000 0.269321 0.000000 0.410780 0.000000 
0.000000 0.368158 0.337922 0.327612 0.000000 0.000000 0.000000 0.952581 0.362372 0.000000 0.000000 0.000000 0.441123 0.238036 0.542363 0.381591 0.000000 0.232826 
0.000000 0.275402 0.228971 0.000000 0.758538 0.000000 0.000000 0.000000 0.266266 0.000000 0.520819 0.610572 0.370356 0.000000 0.441711 0.249269 0.482475 0.210053 
0.000000 0.332748 0.326110 0.283031 0.000000 0.952581 0.000000 0.000000 0.342428 0.000000 0.000000 0.000000 0.416760 0.227986 0.518107 0.371799 0.000000 0.000000 
0.000000 0.882137 0.934526 0.855942 0.000000 0.362372 0.266266 0.342428 0.000000 0.000000 0.000000 0.207161 0.938678 0.798916 0.872544 0.956821 0.000000 0.000000 
0.000000 0.293500 0.000000 0.363209 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.212545 
0.000000 0.234067 0.000000 0.000000 0.457887 0.000000 0.520819 0.000000 0.000000 0.000000 0.000000 0.511987 0.276049 0.000000 0.285535 0.201915 0.729916 0.000000 
0.000000 0.254576 0.000000 0.000000 0.530106 0.000000 0.610572 0.000000 0.207161 0.000000 0.511987 0.000000 0.382887 0.000000 0.327407 0.000000 0.632039 0.000000 
0.000000 0.904937 0.886827 0.851828 0.239941 0.441123 0.370356 0.416760 0.938678 0.000000 0.276049 0.382887 0.000000 0.794140 0.936407 0.932500 0.344555 0.000000 
0.000000 0.656538 0.722250 0.685198 0.000000 0.238036 0.000000 0.227986 0.798916 0.000000 0.000000 0.000000 0.794140 0.000000 0.774765 0.782162 0.000000 0.000000 
0.245854 0.809778 0.830280 0.747912 0.269321 0.542363 0.441711 0.518107 0.872544 0.000000 0.285535 0.327407 0.936407 0.774765 0.000000 0.883418 0.303265 0.426167 
0.000000 0.880527 0.967027 0.822587 0.000000 0.381591 0.249269 0.371799 0.956821 0.000000 0.201915 0.000000 0.932500 0.782162 0.883418 0.000000 0.225055 0.000000 
0.000000 0.291927 0.212844 0.000000 0.410780 0.000000 0.482475 0.000000 0.000000 0.000000 0.729916 0.632039 0.344555 0.000000 0.303265 0.225055 0.000000 0.000000 
0.200442 0.000000 0.000000 0.000000 0.000000 0.232826 0.210053 0.000000 0.000000 0.212545 0.000000 0.000000 0.000000 0.000000 0.426167 0.000000 0.000000 0.000000