1. Surgical Research Section, Department of Surgery, Hamad Medical Corporation, Doha, Qatar
2. Department of Chemistry, Jordan University of Science and Technology, Irbid, Jordan
3. Department of Surgery, Division of Urology/Andrology, Hamad Medical Corporation, Doha, Qatar
4. Center of Medicine and Health Sciences, Dresden International University, Dresden, Germany
5. School of Medicine, Jordan University of Science and Technology, Irbid, Jordan