1. Department of Cardiovascular Diseases Mayo Clinic Rochester Minnesota USA
2. BIOTRONIK Inc. Lake Oswego Oregon USA
3. Clinical Cardiovascular Research Center University of Rochester Rochester New York USA
4. Division of Cardiology, Department of Medicine Weill Cornell Medicine/New York‐Presbyterian Hospital New York New York USA
5. The University of Chicago Medicine Pritzker School of Medicine Illinois USA
6. Duke Clinical Research Institute Duke University Durham North Carolina USA