1. School of Medical Devices, Shenyang Pharmaceutical University, Shenyang, China,
2. Department of Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, China,
3. Department of English Teaching, School of Basic Courses, Shenyang Pharmaceutical University, Shenyang, China, and
4. School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, China