Jaeyoung Baik (Gwangju Institute of Science and Technology / KR), Jeongwoon Kim (Gwangju Institute of Science and Technology / KR), Hoe-Min Kwak (Gwangju Institute of Science and Technology / KR), Je-Sung Lee (Gwangju Institute of Science and Technology / KR), Soo-Young Choi (Gwangju Institute of Science and Technology / KR), Professor Dong-Seon Lee (Gwangju Institute of Science and Technology / KR)