1. Division of Cardiology, Johns Hopkins Medical Institutions, Baltimore, Maryland.
2. Department of Biochemistry, Virginia Polytechnic Institute and State University, Blacksburg, Virginia.
3. Clinica Montevergine, Mercogliano, Italy.
4. US Army Edgewood Chemical Biological Center, Aberdeen Proving Ground, Aberdeen, Maryland.
5. Excet, Inc., Springfield, Virginia.
6. Department of Biochemistry and Molecular Biology, University of Maryland, School of Medicine, Baltimore, Maryland.
7. Departamento de Farmacologia, Universidade Federal de Sao Paulo (UNIFESP/EPM), Sao Paolo, Brazil.
8. Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama.
9. Department of Chemistry, Johns Hopkins University, Baltimore, Maryland.
10. Division of Cardiology, Medical University of Graz, Graz, Austria.
11. Department of Clinical Pharmacology, Vanderbilt University, Nashville, Tennessee.
12. Department of Physiology and Cell Biology, Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio.
13. Pharmacology and Cell Biophysics, University of Cincinnati, Cincinnati, Ohio.
14. Edward Via College of Osteopathic Medicine, Blacksburg, Virginia.
15. Department of Clinical Medicine, University of Perugia, Perugia, Italy.