1. Department of Rheumatology, Ningbo First Hospital, Ningbo Hospital of Zhejiang University, Ningbo, Zhejiang, PR China
2. Department of Preventive Medicine, Medical School of Ningbo University, Ningbo, Zhejiang, PR China
3. Zhejiang Provincial Key Laboratory of Pathophysiology, Medical School of Ningbo University, Ningbo, Zhejiang, PR China
4. Department of Physical Examination, Ningbo First Hospital, Ningbo Hospital of Zhejiang University, Ningbo, Zhejiang, China