1. John A. Paulson School of Engineering and Applied
Sciences, Harvard University, Cambridge, MA 02138, USA.
2. Wyss Institute for Biologically Inspired Engineering,
Harvard University, Cambridge, MA 02138, USA.
3. Department of Mechanical Engineering, McGill
University, Montreal, Quebec H3A 0G4, Canada.
4. Advanced Materials and Healthcare Technologies
Division, School of Pharmacy, University of Nottingham, Nottingham NG7 2RD,
UK.
5. Kavli Institute for Nanobio Science and Technology,
Harvard University, Cambridge, MA 02138, USA.
6. School of Aerospace, Tsinghua University, Beijing
100084, People’s Republic of China.
7. Departments of Cardiac Surgery, Boston
Children’s Hospital, Boston, MA 02115, USA.
8. Advanced Materials and Bioengineering Research
Centre, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin,
Ireland.