1. Department of Anesthesiology , Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine , Xianyang , Shaanxi , P.R. China
2. The Third Department of Encephalopathy , Affiliated Hospital of Shanxi University of Traditional Chinese Medicine , Xianyang , Shaanxi , P.R. China
3. Department of Surgery and Anesthesiology , Xi’an Hospital of Traditional Chinese Medicine , Xi’an , Shaanxi , P.R. China
4. Institute of Nano Electronic Engineering , Perlis , Malaysia
5. Faculty of Chemical Engineering & Technology , Perlis , Malaysia
6. Micro System Technology, Centre of Excellence , Universiti Malaysia Perlis , Perlis , Malaysia