1. Department of Microbiology, Immunology and Genetics; Ben Gurion University of the Negev; Beer Sheva Israel
2. Periodontal Research Group; Institute of Clinical Sciences; College of Medical and Dental Sciences; School of Dentistry; University of Birmingham; Birmingham Community Health Trust; Birmingham UK
3. Department of Periodontology; The Hebrew University-Hadassah Medical Center; Jerusalem Israel
4. The Jacob Blaustein Institutes for Desert Research; Ben Gurion University of the Negev; Beer Sheva Israel
5. Department of Oncology; Soroka University Medical Center; Beer Sheva Israel