1. School of Economics and Management, Xidian University, Xi'an, Shaanxi, China
2. Xin-Huangpu Joint Innovation Institute of Chinese Medicine, Guangzhou, Guangdong, China
3. School of Mathematics and Statistics, Hubei Minzu University, Enshi, Hubei, China
4. State Key Laboratory of Dampness Syndrome of Chinese Medicine, The 2nd Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China