*Vertices 11
1 "ActaClinCroat" 0.0 0.0 0.0 x_fact 0.668037 y_fact 0.807925
2 "ArchNeurolChicago" 0.0 0.0 0.0 x_fact 3.722736 y_fact 4.964600
3 "Cephalalgia" 0.0 0.0 0.0 x_fact 3.936851 y_fact 6.497659
4 "Headache" 0.0 0.0 0.0 x_fact 4.693388 y_fact 7.454037
5 "JNeurol" 0.0 0.0 0.0 x_fact 5.592669 y_fact 6.257851
6 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 4.208062 y_fact 8.678771
7 "Lancet" 0.0 0.0 0.0 x_fact 4.502113 y_fact 11.153934
8 "Neurology" 0.0 0.0 0.0 x_fact 7.154277 y_fact 14.939477
9 "NewEnglJMed" 0.0 0.0 0.0 x_fact 3.805527 y_fact 9.381067
10 "Pain" 0.0 0.0 0.0 x_fact 1.692931 y_fact 7.262761
11 "Stroke" 0.0 0.0 0.0 x_fact 8.473221 y_fact 22.601918
*Matrix 
0.000000 0.591984 0.452785 0.437187 0.720266 0.247849 0.312660 0.669071 0.254806 0.000000 0.720566 
0.591984 0.000000 0.307931 0.315437 0.946311 0.000000 0.000000 0.962914 0.223561 0.000000 0.321003 
0.452785 0.307931 0.000000 0.953893 0.361136 0.000000 0.000000 0.359164 0.000000 0.222239 0.000000 
0.437187 0.315437 0.953893 0.000000 0.362299 0.000000 0.000000 0.364100 0.000000 0.000000 0.000000 
0.720266 0.946311 0.361136 0.362299 0.000000 0.000000 0.228929 0.981349 0.215632 0.000000 0.488678 
0.247849 0.000000 0.000000 0.000000 0.000000 0.000000 0.501669 0.209888 0.729176 0.000000 0.000000 
0.312660 0.000000 0.000000 0.000000 0.228929 0.501669 0.000000 0.200911 0.631090 0.000000 0.206619 
0.669071 0.962914 0.359164 0.364100 0.981349 0.209888 0.200911 0.000000 0.235406 0.000000 0.419196 
0.254806 0.223561 0.000000 0.000000 0.215632 0.729176 0.631090 0.235406 0.000000 0.000000 0.201600 
0.000000 0.000000 0.222239 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 
0.720566 0.321003 0.000000 0.000000 0.488678 0.000000 0.206619 0.419196 0.201600 0.000000 0.000000