1. Department of Internal Medicine, First School of Clinical Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu 730000, P.R. China
2. Emergency Department, Minda Hospital of Hubei Minzu University, Enshi, Hubei 445000, P.R. China
3. Department of Clinical Laboratory, Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Lanzhou, Gansu 730050, P.R. China