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