1. Division of Cardiology University of Minnesota Minneapolis MN USA
2. The CardioVascular Center at Tufts Medical Center Boston MA USA
3. Division of Cardiology University of Rochester Medical Center Rochester NY USA
4. Center for Cardiovascular Research Washington University School of Medicine Saint Louis MO USA
5. UCLA Neurocardiology Program of Excellence University of California Los Angeles CA USA
6. Clinical Cardiovascular Science Foundation Boston MA USA
7. Department of Biostatistics, School of Public Health Boston University Boston MA USA
8. LivaNova USA Incorporated Houston TX USA
9. Department of Medicine University of Mississippi Medical Center Jackson MS USA
10. University of Toronto University Health Network Toronto Ontario Canada
11. Section of Cardiology, San Francisco Veterans Affairs Medical Center and School of Medicine University of California San Francisco CA USA