1. Department of Oral Medicine, Periodontology, and Diagnosis, Faculty of Dentistry, Suez Canal University, Ismailia, P.O. Box 41522, Egypt
2. Department of Mechanical Engineering, Yeungnam University, Gyeongsan 38541, Korea
3. Department of Oral Medicine, Periodontology and Oral Diagnosis, Faculty of Dentistry, Suez University, Suez, P.O. Box 43512, Egypt
4. Radiation Research of Polymer Chemistry Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority, P.O. Box 8029, Cairo 13759, Egypt
5. Department of Molecular Biology and Chemistry, Faculty of Science, Alexandria University, Alexandria, P.O. Box 21526, Egypt