1. The Whitney Laboratory, University of Florida, Saint Augustine, FL 32080,USA
2. Arthropod-Borne and Infectious Diseases Laboratory, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO 80523, USA
3. Department of Biochemistry, University of North Florida, Jacksonville, FL 32224, USA
4. Department of Biochemistry Cell and Molecular Biology, Drake University,Des Moines, IA 50311, USA
5. Department of Pharmacology and Therapeutics, University of Florida,Gainesville, FL 32611, USA