1 Department of Immunology, Basic Medicine School, Air-Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, China.
2 The Key Laboratory of Bio-hazard Damage and Prevention Medicine, Basic Medicine School, Air-Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, China.
3 Department of Microbiology, Basic Medicine School, Air-Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, China.
4 Department of Rheumatology, Tangdu Hospital, Air-Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, China.