1. Faculty of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan, Israel
2. Department of Oral Pathology and Oral Medicine, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel
3. Biostatistical Unit, Gertner Institute for Epidemiology and Health Policy Research, Ramat Gan, Israel