Guoping Liao1,2, Xing Feng3, Tieshan Wang4, Jingming Lin5. 1. Department of Pharmacy, Zhujiang Hospital of Southern Medical University, Guangzhou, 510282, Guangdong Province, People's Republic of China. 2. Changning Hospital of Traditional Chinese Medicine, Changning, 421500, Hunan Province, People's Republic of China. 3. Department of Pharmacy, The Medical College of Hunan Normal University, Changsha, 410013, Hunan Province, People's Republic of China. 4. Department of Pharmacy, Guangdong Women and Children Hospital and Health Institute, Guangzhou, 511400, Guangdong Province, People's Republic of China. 5. Department of Pharmacy, Zhujiang Hospital of Southern Medical University, Guangzhou, 510282, Guangdong Province, People's Republic of China. liaoguoping1020@sina.com.