1. Anhui Medical University, Hefei, Anhui 230032, P.R. China
2. Department of Laboratory, The 904th Hospital of Joint Logistic Support Force of PLA, Wuxi, Jiangsu 214044, P.R. China
3. Department of Cardiology, The 904th Hospital of Joint Logistic Support Force of PLA, Wuxi, Jiangsu 214044, P.R. China
4. Department of Hepatobiliary Surgery, The 904th Hospital of Joint Logistic Support Force of PLA, Wuxi, Jiangsu 214044, P.R. China