1. Department of Clinical Laboratory, Bengbu Medical College, Bengbu, Anhui, P. R. China
2. Clinical Testing and Diagnose Experimental Center of Bengbu Medical College, Bengbu, Anhui, P. R. China
3. Department of Clinical Laboratory Science, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, P. R. China
4. Department of Histology and Embryology, Bengbu Medical College, Bengbu, Anhui, P. R. China
5. Department of Biochemistry and Molecular Biology, Bengbu Medical College, Bengbu, Anhui, P. R. China
6. Department of Immunology, Bengbu Medical College, Bengbu, Anhui, P. R. China
7. Anhui Key Laboratory of Infection and Immunity, Bengbu Medical College, Bengbu, Anhui, P. R. China
8. Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, P. R. China
9. Department of Internal Medicine, College of Medicine-Phoenix, The University of Arizona, Phoenix, AZ, USA