1. Department of Biology, University of Florida, Gainesville, Florida 32611, United States
2. Department of Medicinal Chemistry, University of Florida, Gainesville, Florida 32610, United States
3. Center for Natural Products, Drug Discovery and Development, University of Florida, Gainesville, Florida 32610, United States
4. Department of Veterinary Biomedical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK S7N 5B4, Canada
5. Genetics Institute, University of Florida, Gainesville, Florida 32610, United States