1. From the Department of Medicine, University of Chicago Medicine, Chicago (G.L.B.); the Richard L. Roudebush Veterans Affairs Medical Center and Indiana University, Indianapolis (R.A.); the Department of Cardiology and Berlin Institute of Health Center for Regenerative Therapies, German Center for Cardiovascular Research Partner Site Berlin, Charité Universitätsmedizin (S.D.A.), and Research and Development, Statistics and Data Insights (P.S.), and Cardiology and Nephrology Clinical Development (A.J.),...