1. Discipline of Endodontics; Faculty of Dentistry; Department of Restorative Dentistry; University of Concepción; Concepción Chile
2. Research Laboratory on Antibacterial Agents; Faculty of Biological Sciences; Department of Microbiology; University of Concepción; Concepción Chile
3. Laboratory of Biotechnology and Aquatic Genomics; Department of Oceanography; University of Concepción; Concepción Chile