1. Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia 30322, United States
2. Department of Biomedical Engineering, Peking University, Beijing 100871, China
3. School of Life Sciences, Tsinghua University-Peking University Center for Life Sciences, Center for Synthetic and Systems Biology, Tsinghua University, Beijing 100084, China
4. School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30322, United States
5. School of Life Sciences, Beijing Advanced Innovation Center for Structural Biology; Beijing Frontier Research Center for Biological Structure, Tsinghua University, Beijing 100084, China