1. Division of Cardiology, Henry Ford Health System Detroit Michigan USA
2. LivaNova, PLC London UK
3. Division of Cardiology University of Michigan Ann Arbor Michigan USA
4. Division of Cardiology University of Virginia Health System Charlottesville Virginia USA
5. Division of Cardiology University of California San Diego Medical Center La Jolla California USA
6. Division of Cardiology, Providence Sacred Heart Medical Center Spokane Washington USA