*Vertices 7
1 "AmJObstetGynecol" 0.0 0.0 0.0 x_fact 3.864112 y_fact 10.815489
2 "BritMedJ" 0.0 0.0 0.0 x_fact 9.579778 y_fact 19.139430
3 "CochraneDbSystRev" 0.0 0.0 0.0 x_fact 14.888907 y_fact 20.769602
4 "HealthTechnolAsses" 0.0 0.0 0.0 x_fact 4.600708 y_fact 5.924972
5 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 6.363710 y_fact 12.667042
6 "Lancet" 0.0 0.0 0.0 x_fact 7.820802 y_fact 17.199324
7 "NewEnglJMed" 0.0 0.0 0.0 x_fact 5.623088 y_fact 13.484141
*Matrix 
0.000000 0.000000 0.374776 0.463596 0.217168 0.233781 0.264906 
0.000000 0.000000 0.759104 0.741759 0.456320 0.529141 0.409476 
0.374776 0.759104 0.000000 0.761168 0.516062 0.609844 0.483432 
0.463596 0.741759 0.761168 0.000000 0.494861 0.575425 0.496355 
0.217168 0.456320 0.516062 0.494861 0.000000 0.510934 0.729279 
0.233781 0.529141 0.609844 0.575425 0.510934 0.000000 0.631328 
0.264906 0.409476 0.483432 0.496355 0.729279 0.631328 0.000000