1 Department of Dentistry and Oral Health, Aarhus University Faculty of Health, Aarhus, Denmark.
2 Department of Oral Diagnostic Sciences, King AbdulAziz University Faculty of Dentistry, Jeddah, Saudi Arabia; Department of Diagnostic Sciences, Tufts University School of Dental Medicine, Boston, MA, USA.
3 Royal National ENT and Eastman Dental Hospital, University College Hospital NHS Trust, London, UK.
4 Discipline of Orthodontics and Paediatric Dentistry, Faculty of Dentistry, National University of Singapore, Singapore.
5 Department of Oral & Maxillofacial Pathology, Radiology and Medicine, New York University College of Dentistry, New York, NY, USA.
6 Dipartimento di Scienze Biomediche, Chirurgiche e Odontoiatriche, Università degli Studi di Milano, Milano, Italy.
7 Cork University Dental School and Hospital, University College Cork, Cork, Ireland.
8 Department of Oral Medicine, University of Pennsylvania, Philadelphia, PA, USA.