Characterizing Friedreich's ataxia cardiomyopathy with serial cardiac magnetic resonance imagings. - Gunsaulus, Megan E.; Krishnamurthy, Rajesh; Alvarado, Chance; Nandi, Deipanjan; Cripe, Linda H.; Waldrop, Megan A.; Hayes, Emily A. (Annals of Pediatric Cardiology, 2026)