*Vertices 4
1 "BritMedJ" 0.0 0.0 0.0 x_fact 10.070243 y_fact 25.332056
2 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 12.605364 y_fact 24.438059
3 "Lancet" 0.0 0.0 0.0 x_fact 12.426564 y_fact 27.005109
4 "NewEnglJMed" 0.0 0.0 0.0 x_fact 9.163474 y_fact 23.224777
*Matrix 
0.000000 0.421868 0.548533 0.332452 
0.421868 0.000000 0.611977 0.731548 
0.548533 0.611977 0.000000 0.613557 
0.332452 0.731548 0.613557 0.000000