1. College of Environmental Science and Engineering, Nankai University, Tianjin, People’s Republic of China
2. Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, Nankai University, Tianjin, People’s Republic of China
3. Xianyang City Center for Disease Control and Prevention, Xianyang, People’s Republic of China
4. State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, People’s Republic of China