1. Division of Cardiology, UCLA Medical CenterLos Angeles California
2. Section of Cardiology, Wake Forest University School of MedicineWinston‐Salem North Carolina
3. Duke University Medical CenterDurham North Carolina
4. Herbert and Sandi Feinberg Interventional Cardiology and Heart Valve Center, Columbia University Medical Center/New York–Presbyterian Hospital and the Cardiovascular Research FoundationNew York New York
5. Division of Cardiology, Long Beach VA Medical Center, University of California California