*Vertices 3
1 "ClinExpRheumatol" 0.0 0.0 0.0 x_fact 1.250000 y_fact 70.833333
2 "JKoreanMedSci" 0.0 0.0 0.0 x_fact 2.500000 y_fact 13.750000
3 "YonseiMedJ" 0.0 0.0 0.0 x_fact 5.416667 y_fact 15.416667
*Matrix 
0.000000 0.234429 0.238226 
0.234429 0.000000 0.316411 
0.238226 0.316411 0.000000