1. Department of Pharmaceutics, School of Pharmacy, Ningxia Medical University, Yinchuan, People’s Republic of China
2. Department of Pharmaceutical Sciences, School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an, People’s Republic of China
3. Department of Pharmacology, School of Pharmacy, Ningxia Medical University, Yinchuan, People’s Republic of China