Department of Biomedical Engineering, College of Engineering, and Centre for Quantitative Biology, Peking University, Beijing, China.|Department of Biomedical Engineering, College of Engineering, and Centre for Quantitative Biology, Peking University, Beijing, China.|Department of Biomedical Engineering, College of Engineering, and Centre for Quantitative Biology, Peking University, Beijing, China.|Department of Biomedical Engineering, College of Engineering, and Centre for Quantitative Biology, Peking University, Beijing, China.|Department of Biomedical Engineering, College of Engineering, and Centre for Quantitative Biology, Peking University, Beijing, China.|Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA.|Department of Biomedical Engineering, College of Engineering, and Centre for Quantitative Biology, Peking University, Beijing, China.