This author has not been identified. Look up 'Ok-hwan Byeon' in GoogleThis author has not been identified. Look up 'Jang Hyuk Kwon' in GoogleThis author has not been identified. Look up 'Thom H. Dunning' in GoogleThis author has not been identified. Look up 'Kum Won Cho' in GoogleThis author has not been identified. Look up 'Aurore Savoy-Navarro' in Google