Sang-Geon Cho1, Hyung Yoon Kim2, Hee-Seung Bom3. 1. Department of Nuclear Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea. 2. Department of Cardiology, Chonnam National University Hospital, Gwangju, Republic of Korea. 3. Department of Nuclear Medicine, Chonnam National University Hwasun Hospital, 322, Seoyang-ro Hwasun-eup, Hwasun-gun, Jeonnam, 58128, Republic of Korea. henryhsbom@gmail.com.