*Vertices 8
1 "AnnInternMed" 0.0 0.0 0.0 x_fact 4.620469 y_fact 6.001174
2 "ArchInternMed" 0.0 0.0 0.0 x_fact 4.833554 y_fact 6.142506
3 "BritMedJ" 0.0 0.0 0.0 x_fact 5.544563 y_fact 10.708617
4 "Circulation" 0.0 0.0 0.0 x_fact 13.489596 y_fact 23.439369
5 "JAmCollCardiol" 0.0 0.0 0.0 x_fact 16.442347 y_fact 24.689613
6 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 5.559783 y_fact 8.964797
7 "Lancet" 0.0 0.0 0.0 x_fact 5.844622 y_fact 10.910830
8 "NewEnglJMed" 0.0 0.0 0.0 x_fact 4.896610 y_fact 9.143093
*Matrix 
0.000000 0.873695 0.540299 0.545233 0.483130 0.822987 0.598693 0.793884 
0.873695 0.000000 0.501894 0.586870 0.513275 0.849332 0.554134 0.748986 
0.540299 0.501894 0.000000 0.256814 0.221491 0.467233 0.532292 0.420255 
0.545233 0.586870 0.256814 0.000000 0.939555 0.550355 0.441814 0.569711 
0.483130 0.513275 0.221491 0.939555 0.000000 0.492318 0.409812 0.527599 
0.822987 0.849332 0.467233 0.550355 0.492318 0.000000 0.534969 0.746760 
0.598693 0.554134 0.532292 0.441814 0.409812 0.534969 0.000000 0.648703 
0.793884 0.748986 0.420255 0.569711 0.527599 0.746760 0.648703 0.000000