1Epidemiology Program Office, Division of Prevention Research and Analytic Methods, Florida
2Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia, Florida
3University of Florida Health Science Center, Gainesville, Florida
4Regeneration Technologies, Alachua, Florida
Reprints or correspondence: Dr. Lennox K. Archibald, 11621 Research Circle, P.O. Box 2650, Alachua, FL 32616–2650 ([email protected]).
aThe findings and conclusions in this letter are those of the authors and do not necessarily represent the views of the Centers for Disease Control and Prevention.
At the time the original study was conducted, C.C. was affiliated with the Epidemic Intelligence Service and L.K.A. was affiliated with the Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia.
