College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, P. R. China.|College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, P. R. China.|College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, P. R. China.|College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, P. R. China.|College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, P. R. China.|College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, P. R. China.|Department of Biomedical Engineering, College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, P. R. China.