1. Hyunmin GVT, Inc., 64, Sandan-ro 197beon-gil, Pyeongtaek-si, Gyeonggi-do 17749, South Korea
2. BK21 Physics Research Division, Sungkyunkwan University, Suwon-si, Gyeonggi-do 16419, South Korea
3. Fusion Engineering Division, KAERI, Daejeon 34057, South Korea