*Vertices 16
1 "ActaPaediatr" 0.0 0.0 0.0 x_fact 1.635729 y_fact 2.866713
2 "AmJEpidemiol" 0.0 0.0 0.0 x_fact 3.366364 y_fact 5.900907
3 "AmJObstetGynecol" 0.0 0.0 0.0 x_fact 7.740405 y_fact 12.851361
4 "AmJPublicHealth" 0.0 0.0 0.0 x_fact 3.344033 y_fact 5.392882
5 "ArchDisChild" 0.0 0.0 0.0 x_fact 2.760642 y_fact 5.253315
6 "BirthDefectsResA" 0.0 0.0 0.0 x_fact 0.027913 y_fact 0.114445
7 "BjogIntJObstetGy" 0.0 0.0 0.0 x_fact 3.397069 y_fact 4.859735
8 "BritMedJ" 0.0 0.0 0.0 x_fact 8.653175 y_fact 15.324494
9 "EurJObstetGynRB" 0.0 0.0 0.0 x_fact 0.896022 y_fact 1.275645
10 "IntJEpidemiol" 0.0 0.0 0.0 x_fact 1.764131 y_fact 3.048151
11 "JEpidemiolCommunH" 0.0 0.0 0.0 x_fact 1.390091 y_fact 2.283322
12 "JNatlMedAssoc" 0.0 0.0 0.0 x_fact 0.159107 y_fact 0.602931
13 "Lancet" 0.0 0.0 0.0 x_fact 10.266574 y_fact 16.639218
14 "ObstetGynecol" 0.0 0.0 0.0 x_fact 6.210747 y_fact 9.272854
15 "PaediatrPerinatEp" 0.0 0.0 0.0 x_fact 0.784368 y_fact 0.909979
16 "Pediatrics" 0.0 0.0 0.0 x_fact 4.982554 y_fact 13.404047
*Matrix 
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0.355139 0.548835 0.490666 0.480408 0.383870 0.206898 0.504511 0.377819 0.487566 0.672042 0.506511 0.000000 0.423804 0.471357 0.000000 0.387202 
0.596110 0.000000 0.000000 0.318907 0.569367 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.247012 0.000000 0.387202 0.000000