[1] Chinese Peoples Liberat Army Gen Hosp, Med Ctr 8, Dept Pulm & Crit Care Med, Beijing 100093, Peoples R China
[2] Hubei Armed Police Corps Hosp, Dept Internal Med 1, Wuhan 430061, Hubei, Peoples R China
[3] Chinese Peoples Liberat Army Gen Hosp, Med Ctr 2, Dept Pulm & Crit Care Med, Beijing 100853, Peoples R China
[4] Chinese Peoples Liberat Army Gen Hosp, Natl Clin Res Ctr Geriatr Dis, Beijing 100853, Peoples R China
[5] Chinese Peoples Liberat Army Gen Hosp, Med Ctr 2, Dept Hlth Management, Beijing 100853, Peoples R China
[6] Joe DiMaggio Childrens Hosp, Div Pediat Immunol Allergy & Rheumatol, Hollywood, FL 33021 USA
[7] Univ Calif Davis, Div Rheumatol Allergy & Clin Immunol, Davis, CA 95616 USA
[8] Chinese Peoples Liberat Army Gen Hosp, Med Ctr 2, Dept Hlth Management, 28 Fuxing Rd, Beijing 100853, Peoples R China
[9] Chinese Peoples Liberat Army Gen Hosp, Natl Clin Res Ctr Geriatr Dis, 28 Fuxing Rd, Beijing 100853, Peoples R China