*Vertices 9
1 "AmJCardiol" 0.0 0.0 0.0 x_fact 8.897616 y_fact 11.380229
2 "AnnThoracSurg" 0.0 0.0 0.0 x_fact 8.819764 y_fact 14.470088
3 "Cancer" 0.0 0.0 0.0 x_fact 1.252552 y_fact 4.309539
4 "Chest" 0.0 0.0 0.0 x_fact 6.243729 y_fact 9.769558
5 "Circulation" 0.0 0.0 0.0 x_fact 10.580949 y_fact 22.708557
6 "EurJCardioThorac" 0.0 0.0 0.0 x_fact 5.404657 y_fact 6.397703
7 "JAmCollCardiol" 0.0 0.0 0.0 x_fact 12.504758 y_fact 17.618768
8 "JThoracCardiovSur" 0.0 0.0 0.0 x_fact 5.255873 y_fact 7.626034
9 "NewEnglJMed" 0.0 0.0 0.0 x_fact 1.909969 y_fact 5.719525
*Matrix 
0.000000 0.306371 0.000000 0.521145 0.915171 0.308910 0.972166 0.367879 0.453530 
0.306371 0.000000 0.000000 0.366195 0.364788 0.979038 0.346990 0.966033 0.000000 
0.000000 0.000000 0.000000 0.210020 0.000000 0.000000 0.000000 0.000000 0.386233 
0.521145 0.366195 0.210020 0.000000 0.515869 0.391743 0.522573 0.384989 0.571333 
0.915171 0.364788 0.000000 0.515869 0.000000 0.371172 0.941743 0.430698 0.473287 
0.308910 0.979038 0.000000 0.391743 0.371172 0.000000 0.347952 0.957961 0.000000 
0.972166 0.346990 0.000000 0.522573 0.941743 0.347952 0.000000 0.411212 0.466363 
0.367879 0.966033 0.000000 0.384989 0.430698 0.957961 0.411212 0.000000 0.208162 
0.453530 0.000000 0.386233 0.571333 0.473287 0.000000 0.466363 0.208162 0.000000