1 Dental Faculty, Department of Epidemiology and Public Health, Paul Sabatier University, CHU de Toulouse, Toulouse 31062, France; Division of Oral Health and Society, Faculty of Dentistry, McGill University, Montreal, QC, Canada. Electronic address: vergnes.jn@chu-toulouse.fr.
2 Dental Innovation and Translation Centre, Faculty of Oral and Craniofacial Sciences, King's College London, Guy's Hospital, London, UK.