In the Preliminary Communication entitled “Comparison of Allogeneic vs Autologous Bone Marrow–Derived Mesenchymal Stem Cells Delivered by Transendocardial Injection in Patients With Ischemic Cardiomyopathy: The POSEIDON Randomized Trial” published in the December 12, 2012, issue of JAMA (2012;308:2369-2379. doi:10.1001/JAMA.2012.25321), 2 authors should be added. Richard George, MD, and Albert Lardo, MD, have been added to the byline. In addition, their affiliations, author contributions, and reported conflict of interest disclosures were added to the article. This article was corrected online.
Authors Added to POSEIDON Trial. JAMA. 2013;310(7):750. doi:10.1001/jama.2013.242547