1. Department of Rheumatism and Immunology, Hebei General Hospital, 348 Heping West Road, Shijiazhuang, Hebei 050000, China
2. Department of Geriatric, Affiliated Hospital of Hebei Engineering University, 81 Congtai Road, Handan, Hebei 056000, China
3. Physical Examination Center, Hebei General Hospital, 348 Heping West Road, Shijiazhuang, Hebei 050000, China
4. Hebei Key Laboratory of Metabolic Diseases, Hebei General Hospital, 348 Heping West Road, Shijiazhuang, Hebei 050000, China