Response to Letter Regarding Article, "Association between surgical indications, operative risk, and clinical outcome in infective endocarditis: A prospective study from the international collaboration on endocarditis"

VH Chu, LP Park, E Athan, F Delahaye, T Freiberger, C Lamas, JM Miro, DW Mudrick, J Strahilevitz, C Tribouilloy, E Durante-Mangoni, JM Pericas, N Fernández-Hidalgo, F Nacinovich, H Rizk, V Krajinovic, E Giannitsioti, JP Hurley, MM Hannan, A Wang