This author has not been identified. Look up 'Bin Guo' in GoogleThis author has not been identified. Look up 'Huihui Chen' in GoogleThis author has not been identified. Look up 'Qi Han' in GoogleThis author has not been identified. Look up 'Zhiwen Yu' in GoogleThis author has not been identified. Look up 'Daqing Zhang' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Yu Wang' in Google