1. Anne McLaren Laboratory for Regenerative Medicine, Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute, University of Cambridge, Cambridge, United Kingdom.
2. Department of Surgery, University of Cambridge, Cambridge, United Kingdom.
3. Department of Plastic and Reconstructive Surgery, Addenbrooke's Hospital, NIHR Cambridge Biomedical Research Centre, Cambridge, United Kingdom.
4. Department of Oral and Maxillofacial Surgery, Addenbrooke's Hospital, NIHR Cambridge Biomedical Research Centre, Cambridge, United Kingdom.
5. Craniofacial Unit, Chelsea and Westminster Hospital, London, United Kingdom.
6. Head and Neck Unit, The Royal Marsden Hospital, London, United Kingdom.
7. Wellcome Trust Sanger Institute, Hinxton, United Kingdom.