Interview with Carolyn Y. Ho, MD, author of The Burden of Early Phenotypes and the Influence of Wall Thickness in Hypertrophic Cardiomyopathy Mutation Carriers: Findings From the HCMNet Study, and Jil C. Tardiff, MD, PhD, author of Assessing the Phenotypic Burden of Preclinical Sarcomeric Hypertrophic Cardiomyopathy—New Assessments to Guide Diagnosis and Management