Affiliations: Department of Community and Family Health, College of
Public Health, University of South Florida, Tampa, FL, USA
Note: [] Correspondind author: L. Preston Mercer, Department of Community
and Family Health, College of Public Health, University of South Florida,
Tampa, FL 33612, USA. Tel.: +1 813 974 8888; Fax: +1 813 974 8889; E-mail:
[email protected]. The Lawton and Rhea Chiles Center for Healthy Mothers and
Babies, 3111 E. Fletcher Avenue Tampa, FL 33613, USA