1. Department of Microbiology DENTAID Research Center Barcelona Spain
2. Department of Oral Health Sciences, KU Leuven and Dentistry University Hospitals Leuven Leuven Belgium
3. School of Dentistry, Faculty of Medicine Pontificia Universidad Católica de Chile Santiago Chile
4. Pharmacology and Toxicology Programme, Faculty of Medicine Pontificia Universidad Católica de Chile Santiago Chile
5. Department of Periodontology, School of Dentistry Universidad Científica del Sur Lima Peru
6. Department of Periodontics University of Pennsylvania, School of dental Medicine Philadelphia Pennsylvania USA
7. Department of Periodontology Universitat Internacional de Catalunya Barcelona Spain