*Vertices 7
1 "AnnInternMed" 0.0 0.0 0.0 x_fact 8.127994 y_fact 11.263641
2 "BritMedJ" 0.0 0.0 0.0 x_fact 10.858723 y_fact 22.586539
3 "JEvalClinPract" 0.0 0.0 0.0 x_fact 3.683769 y_fact 5.417016
4 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 9.179794 y_fact 16.912745
5 "Lancet" 0.0 0.0 0.0 x_fact 9.446447 y_fact 20.952052
6 "MedCare" 0.0 0.0 0.0 x_fact 3.278850 y_fact 5.767616
7 "NewEnglJMed" 0.0 0.0 0.0 x_fact 7.456422 y_fact 17.100390
*Matrix 
0.000000 0.539280 0.534229 0.813411 0.584478 0.552357 0.787586 
0.539280 0.000000 0.621846 0.461918 0.529518 0.292589 0.413894 
0.534229 0.621846 0.000000 0.535706 0.381527 0.422149 0.371082 
0.813411 0.461918 0.535706 0.000000 0.512172 0.606608 0.732205 
0.584478 0.529518 0.381527 0.512172 0.000000 0.256268 0.632441 
0.000000 0.292589 0.422149 0.606608 0.256268 0.000000 0.457899 
0.787586 0.413894 0.371082 0.732205 0.632441 0.457899 0.000000