1. State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, People's Republic of China
2. Artemisinin Research Center, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, People's Republic of China
3. Savaid Medical School, University of Chinese Academy of Sciences, Beijing100049, People's Republic of China
4. Institut für Pharmazeutische Biologie und Biotechnologie, Philipps-Universität Marburg, Marburg 35037, Germany