1. Department of Medical Biochemistry and Biophysics Karolinska Institutet Stockholm 171 77 Sweden
2. Key Centre for Polymers and Colloids School of Chemistry The University of Sydney Sydney NSW 2006 Australia
3. Laboratory of Immunobiology Stockholm Center for Bioelectronic Medicine Department of Medicine, Solna Karolinska Institutet Stockholm 171 77 Sweden
4. Science for Life Laboratory Department of Medical Biochemistry and Biophysics Karolinska Institutet Stockholm 171 77 Sweden
5. Department of Microbiology Tumor and Cell Biology Karolinska Institutet Stockholm 171 77 Sweden
6. Center for Biomedical Science and Bioelectronic Medicine The Feinstein Institute for Medical Research Manhasset NY 11030 USA
7. Department of Materials Department of Bioengineering and Institute for Biomedical Engineering Imperial College London London SW7 2AZ UK