Authors: Rachel Lampert; Brian Olshansky; Hein Heidbuchel; Christine Lawless; Elizabeth Saarel; Michael Ackerman; Hugh Calkins; N A Mark Estes; Mark S Link; Barry J Maron; Frank Marcus; Melvin Scheinman; Bruce L Wilkoff; Douglas P Zipes; Charles I Berul; Alan Cheng; Ian Law; Michele Loomis; Cheryl Barth; Cynthia Brandt; James Dziura; Fangyong Li; David Cannom Journal: Circulation Date: 2013-05-21 Impact factor: 29.690