Proceedings of the National Academy of Sciences (2014) - Comments
pubmed: 25453063  doi: 10.1073/pnas.1421047111  issn: 0027-8424  issn: 1091-6490 

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Hua Zhang, Lian Liu, Xin Li, Kiran Busayavalasa, Yan Shen, Outi Hovatta, Jan-Åke Gustafsson, Kui Liu