The impact factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.
a
Servicio de Cardiología, Hospital Universitario Ramón y Cajal, Madrid, Spain
b
Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
c
Complejo Asistencial Universitario de Salamanca, Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
d
Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain
e
Adult Congenital Heart Centre and Centre for Pulmonary Hypertension, Cardiology Department, Royal Brompton Hospital, Guy's and St. Thomas’ NHS Foundation Trust, Londres, United Kingdom
f
Departamento de Medicina, Universidad Autónoma de Barcelona, Barcelona, Spain
g
Unidad de Insuficiencia Cardiaca y Trasplante Cardiaco, Servicio de Cardiología, Complexo Hospitalario Universitario A Coruña, A Coruña, Spain
h
Servicio de Cardiología, Hospital Universitario de León, León, Spain
i
Servicio de Cardiología, Hospital Universitario de la Princesa, Madrid, Spain
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