1 National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, 4770 Buford Hwy, Mail Stop S107-8, Atlanta, GA 30341 ([email protected]).
2 US Public Health Service, Bethesda, Maryland.
3 Office of the Chief Information Officer, Centers for Disease Control and Prevention, Atlanta, Georgia.
4 National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia.