1. School of Engineering and Materials Science, Queen Mary, University of London, London, UK
2. Centre for Cell Biology and Cutaneous Research, Barts and the London School of Medicine and Dentistry, Queen Mary, University of London, London, UK
3. Centre for Stem Cells and Regenerative Medicine, King's College London, London, UK
4. The National Diagnostic EB Laboratory, Viapath, St. Thomas' Hospital, London, UK
5. St. John's Institute of Dermatology, King's College London (Guy's Campus), London, UK
6. Max F. Perutz Laboratories, Department of Biochemistry and Cell Biology, University of Vienna, Vienna, Austria