1. Department of Respiratory Medicine Qilu Children's Hospital of Shandong University Ji'nan China
2. Department of Toxicology, Shandong Academy of Occupational Health and Occupational Medicine Shandong First Medical University Ji'nan China
3. Department of Infection Prevention and Control The Affiliated Hospital of Shandong University of Traditional Chinese Medicine Ji'nan China
4. School of Public Health Jilin University Changchun China
5. Queensland Alliance for Environmental Health Sciences (QAEHS) The University of Queensland Brisbane Australia