Authors: Xiaoshan Shi, Yunchen Bi, Wei Yang, Xingdong Guo, Yan Jiang, Chanjuan Wan, Lunyi Li, Yibing Bai, Jun Guo, Yujuan Wang, Xiangjun Chen, Bo Wu, Hongbin Sun, Wanli Liu, Junfeng Wang, Chenqi Xu - Nature 2012 cited by 278