*Vertices 6
1 "AmJRespCritCare" 0.0 0.0 0.0 x_fact 5.501463 y_fact 14.240491
2 "Chest" 0.0 0.0 0.0 x_fact 10.436951 y_fact 17.837786
3 "Circulation" 0.0 0.0 0.0 x_fact 14.250084 y_fact 36.198379
4 "Clinics" 0.0 0.0 0.0 x_fact 1.693127 y_fact 2.158377
5 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 6.705358 y_fact 14.216509
6 "NewEnglJMed" 0.0 0.0 0.0 x_fact 5.981102 y_fact 15.348458
*Matrix 
0.000000 0.789257 0.000000 0.493193 0.219099 0.318320 
0.789257 0.000000 0.251441 0.608313 0.301361 0.380823 
0.000000 0.251441 0.000000 0.711517 0.535276 0.558768 
0.493193 0.608313 0.711517 0.000000 0.600162 0.624330 
0.219099 0.301361 0.535276 0.600162 0.000000 0.726714 
0.318320 0.380823 0.558768 0.624330 0.726714 0.000000