1. Sjogren's Syndrome Center, Department of Oral Medicine, Sedation & Maxillofacial Imaging Hebrew University‐Hadassah School of Dental Medicine Jerusalem Israel
2. Faculty of Dental Medicine Hebrew University‐Hadassah School of Dental Medicine Jerusalem Israel
3. Department of Community Dentistry Hebrew University‐Hadassah School of Dental Medicine Jerusalem Israel
4. Department of Endodontics Hebrew University‐Hadassah School of Dental Medicine Jerusalem Israel