1. Institute of Anatomy II, Medical Faculty Heinrich‐Heine‐University Düsseldorf Germany
2. Zoology Department Faculty of Science Suez University Suez Egypt
3. Department of Anatomy and Embryology Faculty of Medicine Mansoura University Mansoura Egypt
4. Laboratory of Molecular Radiooncology, Clinic and Policlinic for Radiation Therapy and Radiooncology Medical Faculty of Heinrich‐Heine‐University Düsseldorf Germany
5. Department of Molecular Cardiology Heinrich‐Heine‐University Düsseldorf Germany
6. Institute of Anatomy I Medical Faculty Heinrich‐Heine‐University Düsseldorf Germany