[1] Peoples Hosp Ruijin City, Dept Resp Med, Ruijin 342500, Peoples R China
[2] Peking Univ, Hosp 3, Lymphoma Res Ctr, Dept Hematol, Beijing 100191, Peoples R China
[3] Capital Med Univ, Beijing Tiantan Hosp, Dept Pathol, 6 Tiantan Xili, Beijing 100050, Peoples R China
[4] Gannan Med Univ, Affiliated Hosp 1, Dept Resp Med, 23 Qingnian Rd, Zhanggong Dist 341000, Ganzhou, Peoples R China
[5] Peking Univ, Hosp 1, Beijing 100191, Peoples R China