This author has not been identified. Look up 'Jyung Hyun Lee' in GoogleThis author has not been identified. Look up 'Yeon Kwan Moon' in GoogleThis author has not been identified. Look up 'YoungHo Yoon' in GoogleThis author has not been identified. Look up 'Hee Joon Park' in GoogleThis author has not been identified. Look up 'Chul-Ho Won' in GoogleThis author has not been identified. Look up 'Hyun Chul Choi' in GoogleThis author has not been identified. Look up 'Jin-Ho Cho' in Google