1. Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Egas Moniz, CRL Monte de Caparica Portugal
2. Unit of Basic Oral Investigation (UIBO) School of Dentistry, Universidad El Bosque Bogota Colombia
3. Department of Periodontics School of Dental Medicine, The University of Pennsylvania Philadelphia Pennsylvania USA
4. Perioteam Training Center Irapuato Mexico