Corrigendum: Catheter-based Closure of a Post-infective Aortic Paravalvular Pseudoaneurysm Fistula With Severe Regurgitation After Two Valve Replacement Surgeries: A Case Report - Onorato, Eustaquio Maria; Vercellino, Matteo; Masoero, Giovanni; Monizzi, Giovanni; Sanchez, Federico; Muratori, Manuela; Bartorelli, Antonio L. (Frontiers in Cardiovascular Medicine, 2021)