1 Department of Echocardiography and Noninvasive Hemodynamics, Ignacio Chávez National Institute of Cardiology, Juan Badiano No. 1 Tlalpan, 14080 Mexico City, Mexico.
2 Department of Cardiac Magnetic Resonance, Ignacio Chávez National Institute of Cardiology, Juan Badiano No. 1 Tlalpan, 14080 Mexico City, Mexico.