Affiliation: | 1. Division of Cardiology, UCLA Medical Center, Los Angeles, California;2. Division of Cardiology, University of Turin‐San Giovanni Battista “Molinette” Hospital, Turin, Italy;3. Department of Cardiac, Thoracic, and Vascular Sciences, University of Padova Medical Center, Padua, Italy;4. Division of Cardiology, Santa Barbara Cottage Hospital, Santa Barbara, California |