1. Periodontology Department Clinical Research Unit (CRU) Centro de Investigação Interdisciplinar Egas Moniz (CiiEM) Instituto Universitário Egas Moniz (IUEM) Almada Portugal
2. Clinical Research Unit (CRU) CiiEM IUEM Almada Portugal
3. Psychology Laboratory (LabPsi) CiiEM IUEM Almada Portugal
4. Quantitative Methods for Health Research (MQIS) CiiEM IUEM Almada Portugal