[1] Peking Univ, Sch Elect Engn & Comp Sci, State Key Lab Adv Opt Commun Syst & Networks, Beijing 100871, Peoples R China
[2] Peking Univ, Inst Mol Med, State Key Lab Biomembrane & Membrane Biotechnol, Beijing 100871, Peoples R China
[3] Inst Basic Med Sci, China Dept Cognit Sci, Beijing 100850, Peoples R China