[1] Acad Sinica, Inst Biomed Sci, Taipei 115, Taiwan
[2] Acad Sinica, Natl Def Med Ctr, Taipei 115, Taiwan
[3] Acad Sinica, Grad Inst Life Sci, Taipei 115, Taiwan
[4] Acad Sinica, Dept Microbiol & Immunol, Taipei 115, Taiwan
[5] Acad Sinica, Genom Res Ctr, Taipei 115, Taiwan