1. Department of Diagnostic Radiology, Korea Medical Institute Suwon Center , Gwonseon-gu, Suwon-si, Gyeonggi-do , Korea
2. College of Health Sciences , Department of Radiological Science, , 298, Cheongwon-gu, Cheongju, Chungcheongbuk-do , Korea
3. Cheongju University , Department of Radiological Science, , 298, Cheongwon-gu, Cheongju, Chungcheongbuk-do , Korea
4. Department of Radiological Science, Gachon University Medical Campus , Hambakmoe-ro, Yeonsu-gu, Incheon , Korea