1. Department of Preventive Medicine, Fujian Provincial Key Laboratory of Environment factors and Cancer, Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, Fujian Province, China
2. Fujian Provincial Key Laboratory of Environment factors and Cancer, Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, Fujian Province, China
3. Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou, Fujian Province, China
4. Union Hospital of Fujian Medical University, Fuzhou, China