1. Department of Oral Medicine; Hebrew University-Hadassah School of Dental Medicine; Jerusalem Israel
2. Department of Oral Medicine; Oral and Maxillofacial Center; Tel-Hashomer, Medical Corps; Israel Defense Forces; Tel Aviv Israel
3. Israeli Air Force Surgeon General Headquarters; Israel Defense Forces; Tel Aviv Israel
4. Department of Oral Pathology and Oral Medicine; The Maurice and Gabriela Goldschleger School of Dental Medicine; Tel Aviv University; Tel Aviv Israel
5. Institute of Pathology; Sheba Medical Center; Tel-Hashomer Israel
6. Department of Oral and Maxillofacial Surgery; Sheba Medical Center; Tel-Hashomer Israel
7. Medical Information Department; General Surgeon Headquarter; Medical Corps; Tel-Hashomer Israel