[1] Korea Univ, Coll Med, Dept Microbiol, Seoul 136705, South Korea
[2] Korea Univ, Inst Viral Dis, Seoul 136705, South Korea
[3] Korea Univ, Dept Psychiat, Seoul 136705, South Korea
[4] YongIn Mental Hosp, Yongin Kun 449910, Kyungki Do, South Korea
[5] Univ Hawaii Manoa, Pacific Biomed Res Ctr, Retrovirol Res Lab, Honolulu, HI 96816 USA