*Vertices 8
1 "AnnSurg" 0.0 0.0 0.0 x_fact 0.612635 y_fact 2.259587
2 "AnnThoracSurg" 0.0 0.0 0.0 x_fact 6.484379 y_fact 15.695115
3 "IntJMedRobotComp" 0.0 0.0 0.0 x_fact 0.326208 y_fact 0.326208
4 "JThoracCardiovSur" 0.0 0.0 0.0 x_fact 4.142577 y_fact 7.993423
5 "JUrology" 0.0 0.0 0.0 x_fact 0.243993 y_fact 12.125391
6 "LectNotesComputSc" 0.0 0.0 0.0 x_fact 0.554288 y_fact 54.235400
7 "Neurosurgery" 0.0 0.0 0.0 x_fact 0.132605 y_fact 3.315122
8 "SurgEndosc" 0.0 0.0 0.0 x_fact 1.336657 y_fact 4.049753
*Matrix 
0.000000 0.000000 0.400524 0.000000 0.000000 0.000000 0.000000 0.565191 
0.000000 0.000000 0.426011 0.978420 0.000000 0.000000 0.000000 0.000000 
0.400524 0.426011 0.000000 0.431925 0.251613 0.423795 0.345235 0.630195 
0.000000 0.978420 0.431925 0.000000 0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.251613 0.000000 0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.423795 0.000000 0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.345235 0.000000 0.000000 0.000000 0.000000 0.000000 
0.565191 0.000000 0.630195 0.000000 0.000000 0.000000 0.000000 0.000000