1. Department of Surgery, School of Clinical Medicine, Hebei University, Baoding, Hebei 071000, P.R. China
2. Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, P.R. China
3. Department of Nursing, School of Medicine, Taizhou University, Jiaojiang, Zhejiang 318000, P.R. China
4. Department of Neurosurgery, Zhejiang Provincial People's Hospital, Affiliated to Hangzhou Medical College, Hangzhou, Zhejiang 310000, P.R. China
5. Department of Neurosurgery, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, P.R. China
6. Office of Academic Research, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, P.R. China
7. Department of Breast Surgery, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, P.R. China
8. Central Laboratory, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, P.R. China
9. Clinical Laboratory, Affiliated Hospital of Jinggangshan University, Ji'an, Jiangxi 343100, P.R. China