1 L. Rapp is a PhD student, Maintain Aging Research team, and researcher, INSERM Centre for Epidemiology and Population Health Research, Université Toulouse III Paul Sabatier, member, Cancer Ageing and Rejuvenation (CARe) Graduate School, and doctor of dental surgery, Conservative and Restorative Dentistry Department, Geriatric Dentistry, Centre Hospitalier Universitaire de Toulouse, Toulouse, France; email: rapp.l@chu-toulouse.fr ; ORCID: 0000-0003-0908-694X .
2 J.-N. Vergnes is full professor, Maintain Aging Research team, INSERM Centre for Epidemiology and Population Health Research, Université Toulouse III Paul Sabatier, Centre Hospitalier Universitaire de Toulouse, Toulouse, France, and adjunct professor, Oral Health and Society Division, Faculty of Dentistry, McGill University, Montreal, Quebec, Canada; Twitter: @JnVergnes; ORCID: 0000-0001-7322-6551 .