This author has not been identified. Look up 'Bing-Qing Shao' in GoogleThis author has not been identified. Look up 'Junwei Zhang' in GoogleThis author has not been identified. Look up 'Cai-Ping Zheng' in GoogleThis author has not been identified. Look up 'Hao Zhang' in GoogleThis author has not been identified. Look up 'Zhenjun Liu' in GoogleThis author has not been identified. Look up 'Lu Xu' in Google