1. Periodontology Department, Clinical Research Unit (CRU) Centro de Investigação Interdisciplinar Egas Moniz (CiiEM) Instituto Universitário Egas Moniz (IUEM) Caparica Portugal
2. Clinical Research Unit (CRU) CiiEM IUEM Caparica Portugal
3. Quantitative Methods for Health Research (MQIS) CiiEM IUEM Caparica Portugal
4. Oral and Biomedical Sciences Research Unit Faculty of Dental Medicine University of Lisbon Lisbon Portugal