1. Department of Periodontology and Implant Dentistry; The Maurice and Gabriela Goldschleger School of Dental Medicine; Tel Aviv University; Tel Aviv Israel
2. Department of Oral & Maxillofacial Surgery; Rambam Health Care Campus; Haifa Israel
3. Department of Periodontology; Rambam Health Care Campus; Haifa Israel
4. Department of Oral Biology; The Maurice and Gabriela Goldschleger School of Dental Medicine; Tel Aviv University; Tel Aviv Israel
5. Periodontology Unit; Department of Oral & Maxillofacial Surgery; Rabin Medical Center; Beilinson Campus; Petach Tikva Israel