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1 "AmJRespCritCare" 0.0 0.0 0.0 x_fact 1.963914 y_fact 4.934167
2 "AnnInternMed" 0.0 0.0 0.0 x_fact 2.265372 y_fact 2.968480
3 "Blood" 0.0 0.0 0.0 x_fact 5.540630 y_fact 13.290774
4 "BritMedJ" 0.0 0.0 0.0 x_fact 1.732500 y_fact 3.853349
5 "Circulation" 0.0 0.0 0.0 x_fact 7.426519 y_fact 13.660504
6 "ClinInfectDis" 0.0 0.0 0.0 x_fact 4.145055 y_fact 6.907833
7 "JAmCollCardiol" 0.0 0.0 0.0 x_fact 5.954693 y_fact 8.422219
8 "JClinOncol" 0.0 0.0 0.0 x_fact 5.797757 y_fact 11.305581
9 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 3.629029 y_fact 5.271978
10 "Lancet" 0.0 0.0 0.0 x_fact 3.060691 y_fact 4.945693
11 "NewEnglJMed" 0.0 0.0 0.0 x_fact 3.468546 y_fact 5.422707
12 "PNatlAcadSciUsa" 0.0 0.0 0.0 x_fact 6.581549 y_fact 14.908897
13 "Science" 0.0 0.0 0.0 x_fact 1.128696 y_fact 4.107816
*Matrix 
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