[1] Design Hosp, Dept Internal Med, Jeonju, South Korea
[2] Chonbuk Natl Univ, Chonbuk Natl Univ Hosp, Dept Internal Med, Med Sch, 567 Baekje Daero, Jeonju 54907, South Korea
[3] Chonbuk Natl Univ Hosp, Biomed Res Inst, Jeonju, South Korea
[4] Chonbuk Natl Univ, Dept Ind Design, Jeonju, South Korea
[5] Chonbuk Natl Univ, Med Sch, Dept Prevent Med, Jeonju, South Korea
[6] Wonkwang Univ, Coll Med, Wonkwang Univ Hosp, Dept Internal Med, Iksan, South Korea
[7] Korea Ctr Dis Control & Prevent, Korea Natl Inst Hlth, Ctr Immunol & Pathol, Div Zoonoses, Cheongju, South Korea
[8] Korea Ctr Dis Control & Prevent, Ctr Lab Control Infect Dis, Div Bacterial Dis, Cheongju, South Korea
[9] Korea Ctr Dis Control & Prevent, Yeosu Natl Quarantine Off, Yeosu, South Korea