1. University of Nebraska Medical Center, Omaha, Nebraska;
2. University of Mississippi Medical Center and G.V. (Sonny) Montgomery Veterans Affairs Medical Center, Jackson, Mississippi;
3. New York University, New York, New York;
4. Cardiovascular Research Institute Maastricht, Maastricht, The Netherlands;
5. Montreal Heart Institute, Universite de Montreal, Montreal, Quebec, Canada;
6. Hypertension and Vascular Research, Cardiovascular Sciences Center, Wake Forest School of Medicine, Winston-Salem, North Carolina;
7. University of Mississippi Medical Center, Jackson, Mississippi;
8. University of Louisville, Louisville, Kentucky;
9. University of New Mexico School of Medicine, Albuquerque, New Mexico;
10. National Cerebral and Cardiovascular Center, Osaka, Japan;
11. Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts;
12. University of Alberta, Edmonton, Alberta, Canada;
13. Temple University Lewis Katz School of Medicine, Philadelphia, Pennslyvania, and Scuola Superiore Sant'Anna, Pisa, Italy;
14. Rutgers New Jersey Medical School, Newark, New Jersey;
15. King's College London British Heart Foundation Centre of Excellence, London, United Kingdom;
16. Reynolds Oklahoma Center on Aging, University of Oklahoma, Oklahoma City, Oklahoma;
17. Medical College of Wisconsin, Milwaukee, Wisconsin;
18. University of Maryland Medical School, Baltimore, Maryland;
19. United States Army Research Institute of Environmental Medicine, Natick, Massachusetts;
20. George Washington University, Washington, District of Columbia;
21. Cardiovascular Center, Medical College of Wisconsin, Milwaukee, Wisconsin;
22. Division of Cardiology, Johns Hopkins Medical Institutions, Baltimore, Maryland;
23. Southern Medical University, Guangzhou, China;
24. Wayne State University, Detroit, Michigan;
25. University of California-Davis, Davis, California; and
26. New York Medical College, Valhalla, New York