1. Department of Occupational Disease Prevention, Jilin Provincial Occupational Disease Prevention and Treatment, China
2. Department of Respiratory Medicine, The Second Clinical Hospital, Jilin University, China
3. Chinese Japanese Union Hospital, Jilin University, China
4. Department of Hematology and Oncology, The Second Clinical Hospital, Jilin University, China
5. Department of Nephrology, Jilin Provincial People's Hospital, China