*Vertices 9
1 "AgeAgeing" 0.0 0.0 0.0 x_fact 3.588025 y_fact 5.294431
2 "AnnInternMed" 0.0 0.0 0.0 x_fact 2.689114 y_fact 7.526472
3 "AustralasJAgeing" 0.0 0.0 0.0 x_fact 1.203626 y_fact 1.302659
4 "BritMedJ" 0.0 0.0 0.0 x_fact 5.142074 y_fact 23.234555
5 "CochraneDbSystRev" 0.0 0.0 0.0 x_fact 14.077855 y_fact 25.207587
6 "JAmGeriatrSoc" 0.0 0.0 0.0 x_fact 7.534090 y_fact 16.957416
7 "JGerontolABiol" 0.0 0.0 0.0 x_fact 3.580407 y_fact 7.092253
8 "MedJAustralia" 0.0 0.0 0.0 x_fact 2.689114 y_fact 9.849928
9 "Gerontologist" 0.0 0.0 0.0 x_fact 1.348366 y_fact 3.534699
*Matrix 
0.000000 0.236428 0.862701 0.295825 0.316241 0.767250 0.653583 0.000000 0.329523 
0.236428 0.000000 0.389049 0.418747 0.409482 0.250775 0.000000 0.000000 0.000000 
0.862701 0.389049 0.000000 0.463120 0.601408 0.776284 0.581567 0.345444 0.475192 
0.295825 0.418747 0.463120 0.000000 0.707010 0.000000 0.000000 0.247671 0.000000 
0.316241 0.409482 0.601408 0.707010 0.000000 0.241314 0.000000 0.228859 0.000000 
0.767250 0.250775 0.776284 0.000000 0.241314 0.000000 0.752342 0.000000 0.421263 
0.653583 0.000000 0.581567 0.000000 0.000000 0.752342 0.000000 0.000000 0.316153 
0.000000 0.000000 0.345444 0.247671 0.228859 0.000000 0.000000 0.000000 0.000000 
0.329523 0.000000 0.475192 0.000000 0.000000 0.421263 0.316153 0.000000 0.000000