1. Department of Internal Medicine, Institute of Wonkwang Medical Science, Wonkwang University, School of Medicine, Iksan, Jeonbuk, Korea
2. Department of Laboratory Medicine, Wonkwang University, School of Medicine, Iksan, Jeonbuk, Korea
3. Department of Thoracic and Cardiovascular Surgery, Chonbuk National University Medical School, Jeonju, Jeonbuk, Korea
4. Department of Natural Medical Sciences, College of Health Science, Chosun University, Seosuk-dong, Gwangju, Korea
5. Department of Radiology, Wonkwang University School of Medicine, Iksan, Jeonbuk, Korea