1. Cedars-Sinai Medical Center, Department of Cardiology, Smidt Heart Institute, Third Floor, Suite A3100, Los Angeles, CA 90048, USA
2. Department of Cardiology, Jeonbuk National University Hospital, 20, Geonji-ro, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54907, Republic of Korea