*Vertices 4
1 "BritMedJ" 0.0 0.0 0.0 x_fact 12.802768 y_fact 51.936069
2 "Lancet" 0.0 0.0 0.0 x_fact 6.656780 y_fact 45.048608
3 "HealthPromotInt" 0.0 0.0 0.0 x_fact 0.560224 y_fact 2.174988
4 "PerspectPublicHeal" 0.0 0.0 0.0 x_fact 0.840336 y_fact 0.840336
*Matrix 
0.000000 0.468742 0.000000 0.873048 
0.468742 0.000000 0.226709 0.615809 
0.000000 0.226709 0.000000 0.614898 
0.873048 0.615809 0.614898 0.000000