*Vertices 4
1 "AmJEpidemiol" 0.0 0.0 0.0 x_fact 15.199035 y_fact 30.096502
2 "AnnEpidemiol" 0.0 0.0 0.0 x_fact 2.714113 y_fact 4.041013
3 "CancerEpidemBiomar" 0.0 0.0 0.0 x_fact 13.359469 y_fact 30.639324
4 "IntJCancer" 0.0 0.0 0.0 x_fact 12.665862 y_fact 35.223160
*Matrix 
0.000000 0.871777 0.637662 0.543358 
0.871777 0.000000 0.618909 0.534345 
0.637662 0.618909 0.000000 0.735685 
0.543358 0.534345 0.735685 0.000000