1. Hanyang University, Department of Nuclear Engineering, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, South Korea
2. KAIST, Nuclear & Quantum Engineering, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, South Korea
3. General Atomics, PO Box 85608, San Diego, California 92186-5608, USA
4. Korea Institute of Fusion Energy, 169-148 Gwahak-ro, Yuseong-gu, Daejeon 34133, South Korea