1. Department of Dentistry, New Vision University, 1a Evgeni Mikeladze Street, Tbilisi 0159, Georgia
2. School of Dentistry, University of California Los Angeles, 10833 Le Conte, CHS – Box 951668, Los Angeles, CA 90095, USA
3. School of Dentistry, Shiraz University of Medical Sciences, Zand Street, P.O. Box: 71348-14336, Shiraz, Iran
4. School of Dentistry, Tehran University of Medical Sciences, North Karegar Street, P.O. Box: 14395-433, Tehran, Iran
5. Blood Transfusion Research Center, High Institute for Research & Education in Transfusion Medicine, Tehran, Iran