1. Department of Epidemiology, College of Public Health, University of Iowa, Iowa City2Department of Medicine, College of Public Health, University of Iowa, Iowa City
2. Center for Clinical and Basic Research, Aalborg, Denmark
3. Division of Cardiovascular Disease, University of Alabama Medical Center, Birmingham
4. Department of Medicine, Herbert Wertheim College of Medicine, Florida International University, Miami
5. Orange County Research Center, Tustin, California
6. Hampton Roads Center for Clinical Research, Suffolk, Virginia
7. Amgen Inc, Thousand Oaks, California
8. Maine Research Associates, Auburn