1. Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment; Department of Preventive Medicine; School of Public Health; Sun Yat-sen University; Guangzhou China
2. Department of Epidemiology; College for Public Health and Social Justice; Saint Louis University; Saint Louis MO USA
3. Allergy and Lung Health Unit; Centre for Epidemiology and Biostatistics; Melbourne School of Population and Global Health; The University of Melbourne; Carlton VIC Australia
4. Department of Health Management & Policy; College for Public Health and Social Justice; Saint Louis University; Saint Louis MO USA
5. School of Social Work; College for Public Health and Social Justice; Saint Louis University; Saint Louis MO USA