1. Center for Cell Dynamics, Department of Cell Biology, Johns Hopkins University School of Medicine, 855 North Wolfe Street, Baltimore, MD 21205, USA.
2. Department of Chemical and Biomolecular Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD 21218, USA.
3. Mechanobiology Institute, National University of Singapore, Singapore, Singapore.
4. Department of Mechanical Engineering, Kennesaw State University, Marietta, GA 30060, USA.
5. Department of Mechanical Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD 21218, USA.
6. School of Physical Science and Technology, Lanzhou University, Lanzhou, Gansu 730000, China.