1. Surgery Section, Durham Veterans Affairs Medical Center, Durham, North Carolina
2. Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, North Carolina
3. University of Illinois at Chicago, Chicago, Illinois
4. University of Texas Southwestern Medical Center, Dallas, Texas
5. Metabolic Pathways and Cardiovascular R&D Unit, GlaxoSmithKline, Inc., King of Prussia, Pennsylvania
6. Washington University School of Medicine in St. Louis, St. Louis, Missouri
7. Cedars-Sinai Medical Center, Los Angeles, California