1. Research Centre in Dental Sciences (CICO-UFRO), Dental School, Universidad de La Frontera, Temuco 4780000, Chile
2. Doctoral Program in Morphological Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco 4780000, Chile
3. Department of Pediatrics and Pediatric Surgery, Faculty of Medicine, Universidad de La Frontera, Temuco 4780000, Chile
4. Comparative Embryology Laboratory, Program of Anatomy and Developmental Biology, ICBM, Faculty of Medicine, Universidad de Chile, Santiago 8320000, Chile
5. Department of Integral Adults Dentistry, Dental School, Universidad de La Frontera, Temuco 4780000, Chile