1. School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China
2. Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
3. Department of Physiology and Biophysics, Weill Cornell Medical College of Cornell University, New York, NY 10065, USA