1. NDT Research Center, Seoul National University of Science and Technology, 232 Gongneung-ro, Nowon-gu, Seoul 01811, Gyeonggi-do, Republic of Korea
2. Doosan Enerbility, 22, Doosan Volvo-ro, Seongsan-gu, Changwon-si 51711, Gyeongsangnam-do, Republic of Korea
3. KEPCO KPS, 211 Munhwa-ro, Naju-si 58326, Jeolla-do, Republic of Korea