*Vertices 4
1 "BritMedJ" 0.0 0.0 0.0 x_fact 13.635924 y_fact 36.620536
2 "JcpspJCollPhysici" 0.0 0.0 0.0 x_fact 1.441982 y_fact 2.206523
3 "Lancet" 0.0 0.0 0.0 x_fact 12.939127 y_fact 35.488242
4 "NewEnglJMed" 0.0 0.0 0.0 x_fact 6.784090 y_fact 25.684700
*Matrix 
0.000000 0.537457 0.512428 0.377025 
0.537457 0.000000 0.625671 0.652692 
0.512428 0.625671 0.000000 0.618358 
0.377025 0.652692 0.618358 0.000000