1. Samsung Electronics Co., Ltd., Yong-tong-gu, Suwon, Gyung-gi-do, Republic of Korea
2. SK Hynix Co., Ltd., 2091 Gyeongchung-daero, Bubal-eup, Icheon-si, Gyeonggi-do, Republic of Korea
3. Department of Software, Korea Aerospace University, 6 Hanggongdaehang-ro, Deokyang-gu, Goyang-si, Gyeonggi-do 412-791, Republic of Korea
4. Department of Telecommunication and Computer Engineering, Korea Aerospace University, 76 Hanggongdaehang-ro, Deokyang-gu, Goyang-si, Gyeonggi-do 412-791, Republic of Korea