1. Department of Nanofusion Engineering
2. Department of Cogno-Mechatronics Engineering
3. Pusan National University
4. Miryang 627-706, Korea
5. School of Energy and Chemical Engineering
6. Ulsan National Institute of Science and Technology (UNIST)
7. Ulsan 689-798, Korea
8. Pohang Accelerator Laboratory
9. Pohang 790-784, Korea