Shanghai Center for Bioinformation Technology, Shanghai, Peoples Republic of China.|Shanghai Center for Bioinformation Technology, Shanghai, Peoples Republic of China.|Shanghai Center for Bioinformation Technology, Shanghai, Peoples Republic of China.|Shanghai Center for Bioinformation Technology, Shanghai, Peoples Republic of China.|Shanghai Center for Bioinformation Technology, Shanghai, Peoples Republic of China.|Shanghai Center for Bioinformation Technology, Shanghai, Peoples Republic of China.