1 Director of Big-Data Center, National Health Insurance Service (NHIS), Wonju, Republic of Korea.
2 Department of Pharmacology, Jeonbuk National University, Jeonju, Republic of Korea.
3 Department of Statistics (Institute of Applied Statistics), Jeonbuk National University, Jeonju, Republic of Korea.
4 Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Jeonbuk National University, Jeonju-si 54907, Republic of Korea; Research Institute of Clinical Medicine of Jeonbuk National University - Biomedical, Research Institute of Jeonbuk National University Hospital, Jeonju-si 54907, Republic of Korea.
5 Department of Medical Informatics, College of Medicine, Jeonbuk National University, Jeonju-si 54907, Republic of Korea.
6 Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Jeonbuk National University, Jeonju-si 54907, Republic of Korea; Department of Medical Informatics, College of Medicine, Jeonbuk National University, Jeonju-si 54907, Republic of Korea; Research Institute of Clinical Medicine of Jeonbuk National University - Biomedical, Research Institute of Jeonbuk National University Hospital, Jeonju-si 54907, Republic of Korea.
7 Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Jeonbuk National University, Jeonju-si 54907, Republic of Korea; Department of Medical Informatics, College of Medicine, Jeonbuk National University, Jeonju-si 54907, Republic of Korea; Research Institute of Clinical Medicine of Jeonbuk National University - Biomedical, Research Institute of Jeonbuk National University Hospital, Jeonju-si 54907, Republic of Korea. Electronic address: kjsjdk@gmail.com.