1. Department of Biosciences Rice University Houston Texas USA
2. Jiangsu Key Laboratory for Functional Substance of Chinese Medicine School of Pharmacy, Nanjing University of Chinese Medicine Nanjing China
3. Center for Pharmaceutical Research and Innovation College of Pharmacy, University of Kentucky Lexington Kentucky USA
4. Department of Pharmaceutical Sciences College of Pharmacy, University of Kentucky Lexington Kentucky USA
5. Department of Chemistry Rice University Houston Texas USA