1. Division of Cardiology, CAPITAL Research Group University of Ottawa Heart Institute Ottawa Ontario Canada
2. Department of Cardiovascular Diseases Mayo Clinic School of Medicine Rochester Minnesota USA
3. Center for Advanced Analytics and Informatics Chicago Illinois USA
4. Cardiovascular Medicine Division University of Pennsylvania Perelman School of Medicine Philadelphia PA USA
5. Penn Cardiovascular Outcomes, Quality, and Evaluative Research Center and the Leonard Davis Institute of Health Economics University of Pennsylvania Perelman School of Medicine Philadelphia PA USA
6. Department of Medicine, Section of Cardiology Temple University Philadelphia Pennsylvania USA