[1] Chang Gung Univ, Sch Med Technol, Tao Yuan 333, Taiwan
[2] Chang Gung Mem Hosp, Dept Clin Pathol, Tao Yuan, Taiwan
[3] Acad Sinica, Inst Biomed Sci, Taipei 115, Taiwan
[4] Kaohsiung Med Coll, Virol Lab, Kaohsiung, Taiwan
[5] Chang Gung Childrens Hosp, Dept Infect Dis, Tao Yuan, Taiwan
[6] Chang Gung Mem Hosp, Dept Pathol, Tao Yuan, Taiwan
[7] Chang Gung Univ, Grad Inst Clin Med, Tao Yuan 333, Taiwan