*Vertices 3
1 "AmJPublicHealth" 0.0 0.0 0.0 x_fact 5.654034 y_fact 18.734719
2 "JEpidemiolCommunH" 0.0 0.0 0.0 x_fact 13.141809 y_fact 25.366748
3 "SocSciMed" 0.0 0.0 0.0 x_fact 16.259169 y_fact 55.898533
*Matrix 
0.000000 0.535813 0.505187 
0.535813 0.000000 0.727453 
0.505187 0.727453 0.000000