1. Korea Institute of Industrial Technology (KITECH), 6, Cheomdan-gwagiro 208-gil, Buk-gu, Gwangju, 500-480, Republic of Korea
2. Department of Materials Science and Engineering, Chonnam National University, 77, Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea
3. Korea Institute of Industrial Technology (KITECH, 102, Jejudaehak-ro, Jeju-si, Jeju Special Self-Governing Province, 63243, Republic of Korea
4. TDL Co., Ltd, 18-6, Hwandong 3-gil, Naju-si, Jellanam-do, Republic of Korea