This author has not been identified. Look up 'Lei Wang' in GoogleThis author has not been identified. Look up 'Bing Han' in GoogleThis author has not been identified. Look up 'Xinzhe Yuan' in GoogleThis author has not been identified. Look up 'Bin Lei' in GoogleThis author has not been identified. Look up 'Chibiao Ding' in GoogleThis author has not been identified. Look up 'Yulin Yao' in GoogleThis author has not been identified. Look up 'Qi Chen' in Google