1. Laboratory of Nanobiomaterials, Institute for Research in Dental Sciences, Faculty of Dentistry, University of Chile, Santiago, Chile
2. Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile
3. Laboratory of Microbiology, Department of Pathology and Oral Microbiology, University of Chile, Santiago, Chile
4. Public Health, Institute for Research in Dental Sciences, Faculty of Dentistry, University of Chile, Santiago, Chile