1. Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu City 610072, Sichuan Province, P.R. China.
2. Chongqing Medical and Pharmaceutical College, Chongqing Engineering Research Center of Pharmaceutical Sciences, Chongqing City 401331, P.R. China.
3. People's Hospital of Shizhu County, Chongqing City 409100, P.R. China.