Author Contributions: Dr Dorfman had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Dorfman, Fazel, Einstein, Applegate, Christodoulou, Sanchez, and Nallamothu. Acquisition of data: Fazel and Nallamothu. Analysis and interpretation of data: Dorfman, Fazel, Einstein, Applegate, Krumholz, Wang, Christodoulou, Chen, and Nallamothu. Drafting of the manuscript: Dorfman, Applegate, Christodoulou, and Nallamothu. Critical revision of the manuscript for important intellectual content: Dorfman, Fazel, Einstein, Applegate, Krumholz, Wang, Christodoulou, Chen, Sanchez, and Nallamothu. Statistical analysis: Fazel, Applegate, and Wang. Obtained funding: Einstein. Administrative, technical, and material support: Applegate. Study supervision: Nallamothu.