This author has not been identified. Look up 'Yifan Hao' in GoogleThis author has not been identified. Look up 'Aiyan Ji' in GoogleThis author has not been identified. Look up 'Rongrong Xing' in GoogleThis author has not been identified. Look up 'Wenqing Zhu' in GoogleThis author has not been identified. Look up 'Baohong Jiang' in GoogleThis author has not been identified. Look up 'Yi Jian' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Hao Chen' in Google