[1] Sun Yat Sen Univ, Dept Dermatol & Venerol, Sun Yat Sen Mem Hosp, Guangzhou, Peoples R China
[2] Southern Med Univ, Dept Dermatol, Dermatol Hosp, Guangzhou, Peoples R China
[3] NIAID, Mol Microbiol Sect, Lab Clin Immunol & Microbiol, NIH, 9000 Rockville Pike, Bethesda, MD 20892 USA
[4] NIH, Microbiol Serv, Dept Lab Med, Clin Ctr, Bldg 10, Bethesda, MD 20892 USA