This author has not been identified. Look up 'Su Chan Lee' in GoogleThis author has not been identified. Look up 'Soyoung Park' in GoogleThis author has not been identified. Look up 'Haeri So' in GoogleThis author has not been identified. Look up 'Gyudong Lee' in GoogleThis author has not been identified. Look up 'Ki Tae Kim' in GoogleThis author has not been identified. Look up 'Cheal Kim' in Google