ACC/AHA TASK FORCE MEMBERS GlennN.Levine,MD,FACC,FAHA,Chair;PatrickT.O Gara, MD, MACC, FAHA, Chair-Elect; Jonathan L. Halperin, MD, FACC, FAHA, Immediate Past Chair*; Sana M. Al-Khatib, MD, MHS, FACC, FAHA; Joshua A. Beckman, MD, MS, FAHA; Kim K. Birtcher, MS, PharmD, AACC; Biykem Boz- kurt, MD, PhD, FACC, FAHA*; Ralph G. Brindis, MD, MPH, MACC*; Joaquin E. Cigarroa, MD, FACC; Anita Deswal, MD, MPH, FACC, FAHA; Lesley H. Curtis, PhD, FAHA*; Lee A. Fleisher, MD, FACC, FAHA; Federico Gentile, MD, FACC; Samuel Gidding, MD, FAHA*; Zachary D. Goldberger, MD, MS, FACC, FAHA; Mark A. Hlatky, MD, FACC, FAHA; John Ikonomidis, MD, PhD, FAHA; Jos A. Joglar, MD, FACC, FAHA; Laura Mauri, MD, MSc, FAHA; Barbara Rie- gel, PhD, RN, FAHA; Susan J. Pressler, PhD, RN, FAHA*; Duminda N. Wijeysundera, MD, PhD PRESIDENTS AND STAFF American College of Cardiology Mary Norine Walsh, MD, FACC, President Shalom Jacobovitz, Chief Executive Officer William J. Oetgen, MD, MBA, FACC, Executive Vice President, Science, Education, Quality, and Publishing Amelia Scholtz, PhD, Publications Manager, Science, Education, Quality, and Publishing American College of Cardiology/ American Heart Association Katherine A. Sheehan, PhD, Director, Guideline Strategy and Operations *Former Task Force member; current member during the writing effort. CLINICAL STATEMENTS AND GUIDELINES Abdul R. Abdullah, MD, Science and Medicine Advisor Sam Shahid, MBBS, MPH, Associate Science and Medicine Advisor American Heart Association John J. Warner, MD, President Nancy Brown, Chief Executive Officer Rose Marie Robertson, MD, FAHA, Chief Science and Medicine Officer Gayle R. Whitman, PhD, RN, FAHA, FAAN, Senior Vice President, Office of Science Operations Prashant Nedungadi, PhD, Associate Science and Medicine Advisor, Office of Science Operations Jody Hundley, Production and Operations Manager, Scientific Publications, Office of Science Operations ARTICLE INFORMATION This document was approved by the American College of Cardiology Clinical Policy Approval Committee, the American Heart Association Science Advi- sory and Coordinating Committee, and the Heart Rhythm Society in Sep- tember 2017, and the American Heart Association Executive Committee in October 2017. 