1. From the Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA (S.C.H., S.R.H.); Eli and Edythe Broad Center of Stem Cell Research and Regeneration Medicine, Department of Orthopaedic Surgery, University of California, San Francisco (A.B.); Department of Cardiovascular Research (S.M.), and Department of Research Beyond Borders (M.F.), Boehringer Ingelheim Pharmaceuticals, Inc, Ridgefield, CT (S.M., M.F.); Molecular, Cellular, and Developmental Biology,...