©The Chinese Journal of Integrated Traditional and Western Medicine Press and Springer-Verlag Berlin Heidelberg 2014 Supported by National Natural Science Foundation of China (No. 30300470, 30472217, 30873355, and 81273989), Ministry Education of China (No. 209087), and Foundation of Educational Commission of Hunan Province (No. 08A049) Key Laboratory of Internal Medicine, Hunan University of Traditional Chinese Medicine, Changsha (410007), China Correspondence to: Prof. CAI Guang-xian, Tel: 86-731-88458001, Fax: 86-731-88458000, E-mail: lby1203@sina.com DOI: 10.1007/s11655-014-1823-5