Authors: Yuan Xue; Piotr Religa; Renhai Cao; Anker Jon Hansen; Franco Lucchini; Bernt Jones; Yan Wu; Zhenping Zhu; Bronislaw Pytowski; Yuxiang Liang; Weide Zhong; Paolo Vezzoni; Björn Rozell; Yihai Cao Journal: Proc Natl Acad Sci U S A Date: 2008-11-18 Impact factor: 11.205