[1] Univ Ulsan, Dept Med, Coll Med, Seoul, South Korea
[2] Kyung Hee Univ, Dept Biol, Seoul, South Korea
[3] Univ Ulsan, Asan Inst Life Sci, Convergence Med Res Ctr, Asan Med Ctr,Coll Med, Seoul, South Korea
[4] Chonnam Natl Univ, Dept Pediat, Hosp Chonnam, Sch Med, Gwangju, South Korea
[5] Asan Med Ctr, Humidifier Disinfectant Hlth Ctr, Seoul, South Korea
[6] Univ Ulsan, Asan Inst Life Sci, Dept Convergence Med, Asan Med Ctr,Coll Med, Seoul, South Korea
[7] Univ Ulsan, Dept Pediat, Childhood Asthma Atopy Ctr, Humidifier Disinfectant Hlth Ctr,Coll Med, Seoul, South Korea
[8] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Pulm & Crit Care Med, Seoul, South Korea
[9] Korea Inst Toxicol, Natl Ctr Efficacy Evaluat Resp Dis Prod, Jeollabuk, South Korea
[10] Univ Sci Technol, Dept Human & Environm Toxicol, Daejeon, South Korea
[11] Korea Inst Toxicol, Dept Inhalat Toxicol Res, Jeollabuk, South Korea
[12] Korea Inst Toxicol, Dept Pathol Res, Jeollabuk, South Korea
[13] Kyung Hee Univ, Dept Biomed & Pharmaceut Sci, Seoul, South Korea