*Vertices 4
1 "AmJPublicHealth" 0.0 0.0 0.0 x_fact 0.896388 y_fact 20.247825
2 "JAgingPhysActiv" 0.0 0.0 0.0 x_fact 1.581861 y_fact 2.109148
3 "JAmGeriatrSoc" 0.0 0.0 0.0 x_fact 9.517532 y_fact 38.228315
4 "JGerontolABiol" 0.0 0.0 0.0 x_fact 11.943053 y_fact 39.414711
*Matrix 
0.000000 0.288691 0.000000 0.000000 
0.288691 0.000000 0.828910 0.671682 
0.000000 0.828910 0.000000 0.559752 
0.000000 0.671682 0.559752 0.000000