1. College of Science and Health Professions, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia;
2. Department of Medical Biochemistry and Molecular Biology, Saarland University, Homburg/Saar, Germany;
3. IVF & Andrology Laboratory, Department of Obstetrics and Gynecology, Saarland University, Homburg/Saar, Germany