This author has not been identified. Look up 'Cheng Zhang' in GoogleThis author has not been identified. Look up 'Yiping Chen' in GoogleThis author has not been identified. Look up 'Xinmiao Liang' in GoogleThis author has not been identified. Look up 'Guanhua Zhang' in GoogleThis author has not been identified. Look up 'Hong Ma' in GoogleThis author has not been identified. Look up 'Leng Nie' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Yu Wang' in Google