1 Department of Internal Medicine, Jeonbuk National University Medical School, Jeonju, Korea.
2 Respiratory Drug Development Research Institute, Jeonbuk National University, Jeonju, Korea.
3 Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Korea.
4 Korea Zoonosis Research Institute, Jeonbuk National University, Iksan; 5Department of Pathology, Jeonbuk National University Medical School, Jeonju, Korea.