1 UCLA Cardiac Arrhythmia Center and UCLA Neurocardiology Research Center, University of California, 100 Medical Plaza, Suite 660, Westwood Blvd, Los Angeles, CA 90095-1679, United States.
2 UCLA Cardiac Arrhythmia Center and UCLA Neurocardiology Research Center, University of California, 100 Medical Plaza, Suite 660, Westwood Blvd, Los Angeles, CA 90095-1679, United States. Electronic address: oajijola@mednet.ucla.edu.