[1] Kyung Hee Univ, Div Allergy Immune & Resp Syst, Dept Internal Med, Coll Korean Med, 26 Kyung Heedae Ro, Seoul 02447, South Korea
[2] Hwapyeong Inst Integrat Med, Incheon, South Korea
[3] Pusan Natl Univ, Korean Med Hosp, Yangsan, South Korea
[4] Pusan Natl Univ, Sch Korean Med, Yangsan, South Korea