1. Department of Laboratory, The People's Hospital of Tongchuan, Tongchuan, Shaanxi 727000, P.R. China
2. Department of Laboratory, Second Affiliated Hospital of Shaanxi Chinese Traditional Medicine, Xianyang, Shaanxi 712000, P.R. China
3. Department of Infection, The People's Hospital of Tongchuan, Tongchuan, Shaanxi 727000, P.R. China
4. Department of Gynecology and Obstetrics, The People's Hospital of Tongchuan, Tongchuan, Shaanxi 727000, P.R. China
5. Department of Laboratory, Tongchuan Hospital of Chinese Traditional Medicine, Tongchuan, Shaanxi 727000, P.R. China
6. Department of Cardiology, The People's Hospital of Tongchuan, Tongchuan, Shaanxi 727000, P.R. China