*Vertices 3
1 "BritMedJ" 0.0 0.0 0.0 x_fact 22.907725 y_fact 65.379113
2 "CochraneDbSystRev" 0.0 0.0 0.0 x_fact 5.793991 y_fact 31.920601
3 "JRoySocMed" 0.0 0.0 0.0 x_fact 1.126609 y_fact 2.700286
*Matrix 
0.000000 0.605639 0.503609 
0.605639 0.000000 0.342226 
0.503609 0.342226 0.000000