This author has not been identified. Look up 'Dong-Ho Lee' in GoogleThis author has not been identified. Look up 'Yu-Ri Kim' in GoogleThis author has not been identified. Look up 'Hyeong-Jun Kim' in GoogleThis author has not been identified. Look up 'Seung-Myun Park' in GoogleThis author has not been identified. Look up 'Yu-Jun Yang' in Google