1. School of Biological SciencesDepartment of SurgeryUniversity of Auckland Auckland 1010 New Zealand
2. School of Chemical and Biomedical EngineeringNanyang Technological University
3. Lee Kong Chian School of MedicineNanyang Technological University Singapore 11, Mandalay, Road Singapore 308232 Singapore
4. Department of Cell and Developmental BiologyUniversity College London London WC1E 6BT UK
5. BioPhysics GroupInstitute of Biomedical EngineeringCentre for Stem Cells and Regenerative Medicineand Department of Mechanical EngineeringUniversity College London London WC1E 7JE UK
6. Skin Research Institute Singapore 11, Mandalay Road Singapore 308232 Singapore