1. Children's Health Research Center, Sanford Research, Sioux Falls, South Dakota
2. Department of Exercise and Sport ScienceUniversity of North Carolina at Chapel HillChapel Hill North Carolina
3. Department of Kinesiology and Sport Management, Texas Tech University, Lubbock, Texas
4. Cardiovascular Research Institute University of Kansas Medical Center Kansas
5. Department of Health and Human PerformanceMiddle Tennessee State UniversityMurfreesboro Tennessee
6. United States Environmental Protection Agency (EPA), Research Triangle Park, North Carolina