1. Geisel School of Medicine at Dartmouth Hanover New Hampshire USA
2. The Dartmouth Institute and Dartmouth‐Hitchcock Medical Center Lebanon New Hampshire USA
3. Department of Internal Medicine Yale University School of Medicine New Haven Connecticut USA
4. Center for Outcomes Research and Evaluation Yale‐New Haven Hospital New Haven Connecticut USA
5. Duke University Hospital Duke Clinical Research Institute Durham North Carolina USA
6. Division of Cardiology, Section of Electrophysiology University of Washington Seattle Washington USA