TY - JOUR AU - Yang, M; Su, B; Wang, Y; Chen, K; Jiang, X; Zhang, Y.-F; Zhang, X.-S; Chen, G; Cheng, Y; Cao, Z; Guo, Q.-Y; Wang, L; Shi, Z.-J JO - Nat. Commun. VL - 5 PY - 2014 DO - 10.1038/ncomms5707 SP - 4707 ER -