1. Mechanobiology Institute, T-Lab, 5A Engineering Drive 1, National University of Singapore, Singapore 117411
2. Institute of Physical and Theoretical Chemistry, Johann Wolfgang Goethe-University Max-von-Laue-Str. 7, 60438 Frankfurt, Germany
3. Jesse Brown Veterans Affairs Medical Center, Chicago, IL, USA
4. Department of Microbiology & Immunology, University of Illinois-Chicago, Chicago, IL 60612, USA
5. Department of Biological Sciences, National University of Singapore, Singapore