1. Division of Cardiovascular Medicine, Department of MedicineUniversity of MichiganAnn Arbor Michigan
2. Division of Cardiology, Department of MedicineBeaumont HospitalRoyal Oak Michigan
3. McLaren Macomb HospitalRoseville Michigan
4. Traverse Heart and VascularTraverse City Michigan
5. Michigan HeartSt Joseph Mercy Health SystemJackson Michigan
6. Veterans Affairs Medical CenterAnn Arbor Michigan