Clinical and molecular characterization of patients with catecholaminergic polymorphic ventricular tachycardia. Circulation. 2002;106:69 74. S7.9-6. Wilde AA, Moss AJ, Kaufman ES, et al. Clinical aspects of type 3 long-QT syndrome: an international multicenter study. Circulation. 2016;134:872 82. CLINICAL STATEMENTS AND GUIDELINES S7.9-7. Wedekind H, Burde D, Zumhagen S, et al. QT interval prolongation and risk for cardiac events in genotyped LQTS-index children. Eur J Pediatr. 2009;168:1107 15. S7.9-8. Moss AJ, Zareba W, Hall WJ, et al. Effectiveness and limitations of beta-blocker therapy in congenital long-QT syndrome. Circulation. 2000;101:616 23. S7.9-9. Zareba W, Moss AJ, Daubert JP, et al. Implantable cardioverter defibrillator in high-risk long QT syndrome patients. J Cardiovasc Electrophysiol. 2003;14:337 41. S7.9-10. Monnig G, Kobe J, Loher A, et al. Implantable cardioverter-defi- brillator therapy in patients with congenital long-QT syndrome: a long-term follow-up. Heart Rhythm. 2005;2:497 504. S7.9-11. Hayashi M, Denjoy I, Extramiana F, et al. Incidence and risk factors of arrhythmic events in catecholaminergic polymorphic ventricular tachycardia. Circulation. 2009;119:2426 34. S7.9-12. Gehi AK, Duong TD, Metz LD, et al. Risk stratification of individuals with the Brugada electrocardiogram: a meta-analysis. J Cardiovasc Electrophysiol. 2006;17:577 83. S7.9-13. Probst V, Veltmann C, Eckardt L, et al. Long-term prognosis of patients diagnosed with Brugada syndrome: results from the FINGER Brugada syndrome registry. Circulation. 2010;121:635 43. S7.9-14. Delise P, Allocca G, Marras E, et al. Risk stratification in individu- als with the Brugada type 1 ECG pattern without previous cardiac arrest: usefulness of a combined clinical and electrophysiologic approach. Eur Heart J. 2011;32:169 76. S7.9-15. Hiraoka M, Takagi M, Yokoyama Y, et al. Prognosis and risk strati- fication of young adults with Brugada syndrome. J Electrocardiol. 2013;46:279 83. S7.9-16. Kaufman ES, McNitt S, Moss AJ, et al. Risk of death in the long QT syndrome when a sibling has died. Heart Rhythm. 