Circulation. Arrhythmia and electrophysiology, Volume 14, Issue 9, 1 1 2021, Pages e009695 Contemporary Patients With Congenital Heart Disease: Uniform Atrial Tachycardia Substrates Allow for Clear Ablation Endpoints With Improved Long-Term Outcome. Brouwer C, Hebe J, Lukac P, Nürnberg JH, Cosedis Nielsen J, de Riva Silva M, Blom N, Hazekamp M, Zeppenfeld K