*Vertices 7
1 "BritMedJ" 0.0 0.0 0.0 x_fact 2.492776 y_fact 8.947525
2 "CancerRes" 0.0 0.0 0.0 x_fact 8.242634 y_fact 21.767899
3 "JClinEndocrMetab" 0.0 0.0 0.0 x_fact 5.531099 y_fact 20.368920
4 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 4.240149 y_fact 9.244605
5 "NewEnglJMed" 0.0 0.0 0.0 x_fact 3.602776 y_fact 9.549788
6 "PNatlAcadSciUsa" 0.0 0.0 0.0 x_fact 3.672995 y_fact 28.741189
7 "RevMedChile" 0.0 0.0 0.0 x_fact 0.788614 y_fact 1.380074
*Matrix 
0.000000 0.000000 0.000000 0.370031 0.278432 0.000000 0.238517 
0.000000 0.000000 0.000000 0.000000 0.000000 0.516383 0.217790 
0.000000 0.000000 0.000000 0.202350 0.262919 0.000000 0.279547 
0.370031 0.000000 0.202350 0.000000 0.709606 0.000000 0.355674 
0.278432 0.000000 0.262919 0.709606 0.000000 0.000000 0.427699 
0.000000 0.516383 0.000000 0.000000 0.000000 0.000000 0.000000 
0.238517 0.217790 0.279547 0.355674 0.427699 0.000000 0.000000