1. State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, P. R. China
2. School of Intelligent Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
3. Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610064, P. R. China