1. Al Imam Mohammad Ibn Saud Islamic University (IMSIU), College of Science, Committee on Radiation and Environmental Pollution Protection, Riyadh, KSA
2. Ministry of Higher Education, Central Laboratory, Khartoum, Sudan
3. Al Imam Mohammad Ibn Saud Islamic University (IMSIU), College of Science, Physics Department, P.O. Box 90950, Riyadh, 11623, Saudi Arabia
4. Alneelain University, School of Physics, Faculty of Science and Technology, P.O. Box 12702, Khartoum, 11121 Sudan
5. Ministries of Higher Education and Scientific Research, Sudan Atomic Energy Commission, Khartoum, Sudan
6. KSU Research Chair on Laser Diagnosis of Cancers, College of Science, King Saud University, Riyadh, 11451 Saudi Arabia
7. Department of Physics and Astronomy, College of Science, Riyadh, 11451 Saudi Arabia