1. National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, Mississippi, USA
2. Division of Pharmacognosy, Department of BioMolecular Sciences School of Pharmacy, University of Mississippi, University, Mississippi, USA
3. Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
4. Botanical Review Team, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, USA