Faculty of Dentistry, University Complutense of Madrid (UCM), Madrid, Spain
Clínica Universitaria de Podología de la Universidad Complutense de Madrid, Madrid, Spain
Militaries units, Madrid, Spain
Faculty of Odontology, University Complutense Madrid, Madrid, Spain
Ana Carrillo de Albornoz, Madrid, Spain
Luis Miguel Sáez-Alcaide, Madrid, Spain
Department of Periodontology, University Complutense Madrid, Spain, Madrid, Spain
Complutense University of Madrid, Madrid, Spain