1. Department of Neurology & Neurological Sciences (D.K.L., A.S., N.S.), Stanford University, Palo Alto, CA.
2. Department of Pediatrics - Cardiology (J.P.W.; R.T.C.), Stanford University, Palo Alto, CA.
3. Department of Radiology/Cardiovascular Imaging (J.S.), Stanford University, Palo Alto, CA.