This author has not been identified. Look up 'Yanwu Yang' in GoogleThis author has not been identified. Look up 'Rui Qin' in GoogleThis author has not been identified. Look up 'Bernard J. Jansen' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Jie Zhang' in GoogleThis author has not been identified. Look up 'Daniel Zeng' in Google