*Vertices 19
1 "ActaAnaesthScand" 0.0 0.0 0.0 x_fact 2.145807 y_fact 2.514455
2 "AmJCardiol" 0.0 0.0 0.0 x_fact 6.228753 y_fact 7.568578
3 "Anaesthesia" 0.0 0.0 0.0 x_fact 1.741512 y_fact 2.353606
4 "AnesthAnalg" 0.0 0.0 0.0 x_fact 4.823719 y_fact 7.072121
5 "Anesthesiology" 0.0 0.0 0.0 x_fact 2.658784 y_fact 4.529844
6 "AnnThoracSurg" 0.0 0.0 0.0 x_fact 5.474069 y_fact 8.493675
7 "BritJAnaesth" 0.0 0.0 0.0 x_fact 2.585750 y_fact 3.209147
8 "CanJAnaesth" 0.0 0.0 0.0 x_fact 1.552841 y_fact 1.910186
9 "Chest" 0.0 0.0 0.0 x_fact 5.439291 y_fact 7.863322
10 "Circulation" 0.0 0.0 0.0 x_fact 8.414555 y_fact 14.527670
11 "CritCareMed" 0.0 0.0 0.0 x_fact 2.390992 y_fact 4.146416
12 "EurJCardioThorac" 0.0 0.0 0.0 x_fact 2.947442 y_fact 3.485632
13 "JAmCollCardiol" 0.0 0.0 0.0 x_fact 6.725210 y_fact 9.144894
14 "JCardiothorVascAn" 0.0 0.0 0.0 x_fact 1.953658 y_fact 2.157110
15 "JThoracCardiovSur" 0.0 0.0 0.0 x_fact 3.278703 y_fact 4.541147
16 "JVascSurg" 0.0 0.0 0.0 x_fact 1.558058 y_fact 4.289875
17 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 2.892666 y_fact 4.503760
18 "Lancet" 0.0 0.0 0.0 x_fact 1.784115 y_fact 3.632570
19 "NewEnglJMed" 0.0 0.0 0.0 x_fact 2.139721 y_fact 4.055993
*Matrix 
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