[1] Pusan Natl Univ, Sch Med, Dept Internal Med, Pusan Natl Univ, Busan, South Korea
[2] Pusan Natl Univ Hosp, Med Res Inst, Busan, South Korea
[3] Kyungpook Natl Univ, Sch Med, Dept Internal Med, Div Infect Dis,Chilgok Hosp, 807 Hoguk Ro, Daegu 41404, South Korea
[4] Kyungpook Natl Univ, Childrens Hosp, Sch Med, Dept Psychiat, 807 Hoguk Ro, Daegu 41404, South Korea
[5] Kyungpook Natl Univ, Kyungpook Natl Univ Hosp, Sch Med, Dept Internal Med,Div Infect Dis, Daegu, South Korea
[6] Kyungpook Natl Univ, Sch Med, Dept Prevent Med, Daegu, South Korea
[7] Kyungpook Natl Univ, Sch Med, Dept Emergency Med, Daegu, South Korea
[8] Kyungpook Natl Univ, Chilgok Hosp, Div Infect Dis, Daegu, South Korea
[9] Daegu Med Ctr, Hosp Infect Control Team, Daegu, South Korea
[10] Natl Med Ctr, Dept Psychiat, Seoul, South Korea
[11] Natl Med Ctr, Dept Internal Med, Div Infect Dis, Seoul, South Korea
[12] Seoul Natl Univ, Coll Med, Dept Internal Med, Seoul, South Korea
[13] Seoul Natl Univ, Seoul Natl Univ Hosp, Coll Med, Dept Psychiat, Seoul, South Korea
[14] Konkuk Univ, Sch Med, Med Ctr, Dept Internal Med, Seoul, South Korea
[15] Hanyang Univ, Coll Med, Dept Internal Med, Seoul, South Korea
[16] Sungkyunkwan Univ, Kangbuk Samsung Hosp, Dept Internal Med, Div Infect Dis,Sch Med, Seoul, South Korea
[17] Konyang Univ Hosp, Dept Internal Med, Daejeon, South Korea
[18] Masan Med Ctr, Dept Internal Med, Div Resp Dis, Chang Won, South Korea
[19] Andong Med Ctr, Dept Internal Med, Andong, South Korea
[20] Kangwon Natl Univ, Dept Internal Med, Div Infect Dis, Sch Med, Chunchon, South Korea
[21] Chonnam Natl Univ, Med Sch, Dept Infect Dis, Gwangju, South Korea
[22] Chonnam Natl Univ, Med Sch, Dept Psychiat, Gwangju, South Korea
[23] Jeju Natl Univ, Dept Internal Med, Div Infect Dis, Coll Med, Jeju, South Korea
[24] Hankuk Univ Foreign Studies, Dept Counseling Psychol, Seoul, South Korea