[1
]Department of Occupational and Environmental Health, School of Public Health, Tongji
Medical College Huazhong University of Science and Technology Wuhan China
[2
]Key Laboratory of Environment and Health, Ministry of Education and Ministry of Environmental
Protection, and State Key Laboratory of Environmental Health (Incubating), School
of Public Health, Tongji Medical College Huazhong University of Science and Technology
Wuhan China
[3
]Institute of Preventive Medicine Information Hubei Provincial Center for Disease Control
and Prevention Wuhan China
[4
]Department of Occupational Health Wuhan Occupational Safety and Disease Prevention
Institution Wuhan China