1 Department of Nuclear Cardiology, National Institute of Cardiology Ignacio Chavez, Juan Badiano 1, Colonia Seccion XVI, Tlalpan, 14080 Mexico City, Mexico.
2 Department of Magnetic Resonance Imaging, National Institute of Cardiology Ignacio Chavez, Juan Badiano 1, Colonia Seccion XVI, Tlalpan, 14080 Mexico City, Mexico.
3 Department of Echocardiography, ABC Medical Center I.A.P., Sur 136 No. 116, Colonia Las Americas, Alvaro Obregon, 01120 Mexico City, Mexico.