1. Applied Morphology Research Center (CIMA), Faculty of Dentistry, Universidad de La Frontera, Temuco, Chile.
2. Department of Integral Adults, Faculty of Dentistry, Universidad de La Frontera, Temuco, Chile.
3. Center of Excellence in Surgical and Morphological Research (CEMyQ), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile.
4. Doctoral Program in Morphological Sciences, Universidad de La Frontera, Temuco, Chile.
5. Department of Paediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidad de La Frontera, Temuco, Chile.
6. Center for Research in Epidemiology, Economics and Oral Public Health (CIEESPO), Faculty of Dentistry, Universidad de La Frontera, Temuco, Chile.
7. Faculty of Dentistry, Universidad San Sebastián, Sede Patagonia, Puerto Montt, Chile.
8. Faculty of Dentistry, Universidad San Sebastián, Sede Bellavista, Santiago, Chile.
9. Center for Research in Dental Sciences (CICO), Endodontic Laboratory, Faculty of Dentistry, Universidad de La Frontera, Temuco, Chile.