1. Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health; The University of Manchester; Manchester UK
2. Department of Oral and Maxillofacial Pathology, Radiology and Medicine; New York University College of Dentistry; New York USA
3. Pritzker School of Medicine, Division of Biological Sciences, Department of Pathology; University of Chicago; Chicago Illinois USA
4. Division of Oral and Maxillofacial Clinical Sciences, School of Dentistry; University of Dundee; Dundee UK
5. Clinical and Diagnostic Sciences; King's College London; London UK