1. Department of Biological Sciences, Auburn University, Auburn, Alabama 36849, United States
2. National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, School of Pharmacy, The University of Mississippi, University, Mississippi 38677, United States
3. Department of Biomolecular Sciences, School of Pharmacy, The University of Mississippi, University, Mississippi 38677, United States
4. Lucigen Corporation, Middleton, Wisconsin 53562, United States
5. Varigen Biosciences Corporation, Madison, Wisconsin 53719, United States