1. Department of Health Services Research & Administration, College of Public Health; University of Nebraska Medical Center; Omaha Nebraska
2. Department of Biostatistics, College of Public Health; University of Nebraska Medical Center; Omaha Nebraska
3. Department of Environmental and Occupational Health; University of Nevada; Las Vegas Nevada
4. Division of Cardiology, Department of Internal Medicine, College of Medicine; University of Nebraska Medical Center; Omaha Nebraska
5. Department of Health Policy and Management, Jiann-Ping Hsu College of Public Health; Georgia Southern University; Statesboro Georgia