*Vertices 4
1 "HealthAffair" 0.0 0.0 0.0 x_fact 6.991952 y_fact 27.464789
2 "HealthServRes" 0.0 0.0 0.0 x_fact 14.939638 y_fact 21.730382
3 "JHealthEcon" 0.0 0.0 0.0 x_fact 2.816901 y_fact 9.758551
4 "MedCare" 0.0 0.0 0.0 x_fact 14.034205 y_fact 41.046278
*Matrix 
0.000000 0.566825 0.260625 0.365522 
0.566825 0.000000 0.417973 0.864182 
0.260625 0.417973 0.000000 0.296595 
0.365522 0.864182 0.296595 0.000000