This author has not been identified. Look up 'Bruce S. N. Cheung' in GoogleThis author has not been identified. Look up 'Lucas Chi Kwong Hui' in GoogleThis author has not been identified. Look up 'Siu-Ming Yiu' in GoogleThis author has not been identified. Look up 'J. K. W. Lee' in GoogleThis author has not been identified. Look up 'Sylvia L. K. Kwok' in GoogleThis author has not been identified. Look up 'Kenneth C. B. Leung' in Google