This author has not been identified. Look up 'Jie-Hua Wu' in GoogleThis author has not been identified. Look up 'Guoji Zhang' in GoogleThis author has not been identified. Look up 'Ya-Zhou Ren' in GoogleThis author has not been identified. Look up 'Xia-Yan Zhang' in GoogleThis author has not been identified. Look up 'Qiao Yang' in Google