Additional Conflict of Interest Disclosures

In the Research Letter “Assessment of QT Intervals in a Case Series of Patients With Coronavirus Disease 2019 (COVID-19) Infection Treated With Hydroxychloroquine Alone or in Combination With Azithromycin in an Intensive Care Unit,”¹ published online on May 1, 2020, in JAMA Cardiology, conflict of interest disclosures were omitted for 2 authors. The conflict of interest disclosure statement should have included the following: “Dr Bessière reports grants and personal fees from Abbott, Boston Scientific, Medtronic, Biosense, and Volta Medical outside the submitted work. Dr Chevalier reports grants from Abbott, Boston Scientific, and Medtronic outside the submitted work. No other disclosures were reported.” The Article Information section has been corrected to include this information.