*Vertices 7
1 "Aids" 0.0 0.0 0.0 x_fact 5.466254 y_fact 12.791711
2 "BritJDermatol" 0.0 0.0 0.0 x_fact 2.173913 y_fact 7.480391
3 "BritMedJ" 0.0 0.0 0.0 x_fact 7.761208 y_fact 19.342500
4 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 10.680740 y_fact 19.652368
5 "Lancet" 0.0 0.0 0.0 x_fact 9.925438 y_fact 20.218844
6 "NewEnglJMed" 0.0 0.0 0.0 x_fact 7.780575 y_fact 18.451632
7 "SamjSAfrMedJ" 0.0 0.0 0.0 x_fact 1.379878 y_fact 2.062554
*Matrix 
0.000000 0.000000 0.000000 0.324698 0.399741 0.370571 0.345381 
0.000000 0.000000 0.000000 0.000000 0.215726 0.000000 0.241607 
0.000000 0.000000 0.000000 0.392902 0.556682 0.333903 0.519053 
0.324698 0.000000 0.392902 0.000000 0.621466 0.780945 0.423108 
0.399741 0.215726 0.556682 0.621466 0.000000 0.645914 0.663816 
0.370571 0.000000 0.333903 0.780945 0.645914 0.000000 0.422273 
0.345381 0.241607 0.519053 0.423108 0.663816 0.422273 0.000000