*Vertices 16
1 "AmHeartJ" 0.0 0.0 0.0 x_fact 6.489006 y_fact 6.960848
2 "AmJCardiol" 0.0 0.0 0.0 x_fact 7.825732 y_fact 9.288725
3 "AnnThoracSurg" 0.0 0.0 0.0 x_fact 5.446588 y_fact 8.743782
4 "BritMedJ" 0.0 0.0 0.0 x_fact 1.709832 y_fact 3.980747
5 "CatheterCardioInte" 0.0 0.0 0.0 x_fact 2.501614 y_fact 3.057950
6 "Circulation" 0.0 0.0 0.0 x_fact 10.030190 y_fact 16.705275
7 "EurHeartJ" 0.0 0.0 0.0 x_fact 6.360840 y_fact 7.215281
8 "EurJCardioThorac" 0.0 0.0 0.0 x_fact 3.042760 y_fact 3.630426
9 "Heart" 0.0 0.0 0.0 x_fact 4.396575 y_fact 4.733604
10 "JAmCollCardiol" 0.0 0.0 0.0 x_fact 8.299472 y_fact 10.941594
11 "JThoracCardiovSur" 0.0 0.0 0.0 x_fact 3.352258 y_fact 4.730756
12 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 3.424410 y_fact 5.183610
13 "Lancet" 0.0 0.0 0.0 x_fact 2.383891 y_fact 4.402271
14 "MedClinBarcelona" 0.0 0.0 0.0 x_fact 1.656667 y_fact 2.363954
15 "NewEnglJMed" 0.0 0.0 0.0 x_fact 2.381992 y_fact 4.474424
16 "RevEspCardiol" 0.0 0.0 0.0 x_fact 3.111115 y_fact 3.586754
*Matrix 
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