Guoping Liao1,2, Xing Feng3, Tieshan Wang4, Lijing Chen4, Jingming Lin5. 1. Department of Pharmacy, Zhujiang Hospital of Southern Medical University, Guangzhou, 510282, Guangdong, People's Republic of China. 2. Changning Hospital of Traditional Chinese Medicine, Changning, 421500, Hunan, People's Republic of China. 3. Department of Pharmacy, The Medical College of Hunan Normal University, Changsha, 410013, Hunan, People's Republic of China. 4. Department of Pharmacy, Guangdong Women and Children Hospital and Health Institute, Guangzhou, 511400, Guangdong Province, China. 5. Department of Pharmacy, Zhujiang Hospital of Southern Medical University, Guangzhou, 510282, Guangdong, People's Republic of China. liaoguoping1020@sina.com.