This author has not been identified. Look up 'Duong Chi Thang' in GoogleThis author has not been identified. Look up 'Thanh Dat Hoang' in GoogleThis author has not been identified. Look up 'Thanh-Tam Nguyen' in GoogleThis author has not been identified. Look up 'Jun Jo' in GoogleThis author has not been identified. Look up 'Nguyen Quoc Viet Hung' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Karl Aberer' in Google