1. Department of Radiological Science, Shinhan University, Uijeongbu, Republic of Korea
2. Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea
3. Department of Radiological Science, Jeonju University, Jeonju, Republic of Korea
4. Department of Radiological Technology, Gwangju Health University, Gwangju, Republic of Korea
5. Department of Nuclear Engineering, Chosun University, Gwangju, Republic of Korea