Jae-seung Heo(Health & Safety Convergence Science, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea, Radiation Safety Section, Korea Institute of Radiological & Medical Sciences, 75, Nowon-ro, Nowon-gu, Seoul 01812, Republic of Korea)
Sang-rok Kim(Radiation Safety Section, Korea Institute of Radiological & Medical Sciences, 75, Nowon-ro, Nowon-gu, Seoul 01812, Republic of Korea)
Gi-sub Kim(Radiation Safety Section, Korea Institute of Radiological & Medical Sciences, 75, Nowon-ro, Nowon-gu, Seoul 01812, Republic of Korea)
Jung-min Kim(Health & Safety Convergence Science, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea)