1. Periodontal Biology Laboratory, Department of Conservative Dentistry, Faculty of Dentistry Universidad de Chile Santiago Chile
2. Faculty of Dentistry Universidad Peruana Cayetano Heredia Lima Perú
3. School of Public Health, Faculty of Medicine Universidad de Chile Santiago Chile
4. Laboratory of Nanobiomaterials, ICOD, Faculty of Dentistry Universidad de Chile Santiago Chile
5. Laboratory of Experimental Immunology and Cancer, Department of Conservative Dentistry, Faculty of Dentistry Universidad de Chile Santiago Chile
6. Dentistry Unit, Faculty of Health Sciences Universidad Autónoma de Chile Santiago Chile