1. Departments of Pharmacognosy and Pharmacology, National Center for Natural Products Research, University of Mississippi, University Park, Mississippi 38677, United States
2. Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University HSC, Amarillo, Texas 79106, United States
3. Department of Chemistry, University of Idaho, Moscow, Idaho 83844, United States
4. Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON L8N 3Z5, Canada
5. Department of Biopharmaceutical Sciences, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, United States
6. Feik School of Pharmacy, University of the Incarnate Word, San Antonio, Texas 78209, United States
7. Department of Drug Discovery and Biomedical Sciences, Medical University of South Carolina, Charleston, South Carolina 29425, United States