This author has not been identified. Look up 'Jae-Sung An' in GoogleThis author has not been identified. Look up 'Sang-Hyun Han' in GoogleThis author has not been identified. Look up 'Ju Eon Kim' in GoogleThis author has not been identified. Look up 'Dong Hyun Yoon' in GoogleThis author has not been identified. Look up 'Young-Hwan Kim' in GoogleThis author has not been identified. Look up 'Han-Hee Hong' in GoogleThis author has not been identified. Look up 'Jae-Hun Ye' in GoogleThis author has not been identified. Look up 'Sung-Jin Jung' in GoogleThis author has not been identified. Look up 'Seung Hwan Lee' in GoogleThis author has not been identified. Look up 'Ji-Yong Jeong' in GoogleThis author has not been identified. Look up 'Kwang-Hyun Baek' in GoogleThis author has not been identified. Look up 'Seong-Kwan Hong' in GoogleThis author has not been identified. Look up 'Oh-Kyong Kwon' in Google