1. School of Global Entrepreneurship and Information Communication Technology, Handong Global University, Pohang, Korea.
2. Department of Surgery, Jeonbuk National University Medical School, Jeonju, Korea.
3. Biomedical Research Institute, Jeonbuk National University Hospital, Jeonju, Korea.
4. Research Institute of Clinical Medicine of Jeonbuk National University, Jeonju, Korea.