1. Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine-University Dusseldorf, Universitatsstrasse 1, 40225 Dusseldorf, Germany
2. Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
3. Fukang Pharma North-East of Dongwaihuan Road, Dongcheng Industrial Area, 262700 Shouguang City, China
4. State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100191, China