1. Center for Natural Products Technologies (CENAPT), Program for Collaborative Research in the Pharmaceutical Sciences, Pharmacognosy Institute, and Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois 60612, United States
2. Physical Sciences Department, Rosary College of Arts and Sciences, Dominican University, River Forest, Illinois 60305, United States
3. Hylobates, Consulting S.R.L., 00135 Rome, Italy
4. American Botanical Council, Austin, Texas 78723, United States