@misc{Ai2013, abstract = {Supplementary Information}, author = {Ai, Wei and Xie, Linghai and Du, Zhuzhu and Zeng, Zhiyuan and Liu, Juqing and Zhang, Hua and Huang, Yunhui and Huang, Wei and Yu, Ting}, month = {aug}, title = {Supplementary Information}, year = {2013} }