1. Department of Obstetrics and Gynecology, “Virgen de las Nieves” University Hospital, Granada, Spain;
2. Periodontology Department, School of Dentistry, University of Granada, Granada, Spain;
3. Microbiology Laboratory, Dentaid Research Center, Barcelona, Spain;
4. Pathology Department, School of Medicine, (IBIMER, CIBM) University of Granada, Granada, Spain