1. Department of Periodontology Universitat Internacional de Catalunya Barcelona Spain
2. Department of Periodontology, School of Dental Medicine University of Michigan Ann Arbor MI USA
3. Private practice CICOM Badajoz Spain
4. Mind, Brain and Behavior Research Center (CIMCYC) University of Granada Granada Spain
5. CIBER of Epidemiology and Public Health (CIBERSP) Madrid Spain
6. Escuela Andaluza de Salud Pública (EASP) Granada Spain
7. Instituto de Investigación Biosanitaria ibs.GRANADA Granada Spain