1. Epidermal Stem Cell Biology Laboratory, Wellcome Trust - Medical Research Council Cambridge Stem Cell Institute, Tennis Court Road, Cambridge, CB2 1QR, UK.
2. Epithelial Development, Maintenance and Regeneration Laboratory, Wellcome Trust - Medical Research Council Cambridge Stem Cell Institute, Tennis Court Road, Cambridge, CB2 1QR, UK.
3. Celgene Institute Translational Research Europe (CITRE), Parque Científico y Tecnológico ‘Cartuja 93’, Centro de Empresas Pabellón de Italia, Isaac Newton 4, Seville E-41092, Spain.
4. Centre for Cutaneous Research, Barts and The London School of Medicine and Dentistry, 4 Newark Street, London, E1 2AT, UK.
5. CRUK Cambridge Research Institute, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, UK.
6. Centre for Stem Cells and Regenerative Medicine, King’s College London, 28th floor, Tower Wing, Guy’s Campus, London, SE1 9RT, UK.