1. Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China;
2. Occupational Health and Environmental Health, School of Public Health, Hebei Medical University, Shijiazhuang, China;
3. Department of Laboratory Diagnosis, Hebei Medical University, Shijiazhuang, China;
4. Hebei Key Laboratory of Environment and Human Health, Hebei Medical University, Shijiazhuang, China