This author has not been identified. Look up 'Lijuan Wang' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Lin Zhang' in GoogleThis author has not been identified. Look up 'Ming Yin' in GoogleThis author has not been identified. Look up 'Zhifeng Hao' in GoogleThis author has not been identified. Look up 'Ruichu Cai' in GoogleThis author has not been identified. Look up 'Wen Wen' in Google