*Vertices 4
1 "BritMedJ" 0.0 0.0 0.0 x_fact 0.402199 y_fact 16.436520
2 "InterdisciplSciRev" 0.0 0.0 0.0 x_fact 0.248023 y_fact 0.321759
3 "Nature" 0.0 0.0 0.0 x_fact 16.463333 y_fact 45.562408
4 "Science" 0.0 0.0 0.0 x_fact 15.156187 y_fact 37.679314
*Matrix 
0.000000 0.494487 0.000000 0.000000 
0.494487 0.000000 0.754502 0.649120 
0.000000 0.754502 0.000000 0.892989 
0.000000 0.649120 0.892989 0.000000