Division of Endocrine and Oncologic Surgery, Department of Surgery, School of Medicine, Tulane University, New Orleans, Louisiana, USA. Department of Surgery, School of Medicine, Tulane University, New Orleans, Louisiana, USA. Genetics Unit, Department of Histology and Cell Biology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt. Department of Biochemistry and Molecular Genetics, Faculty of Physical Therapy, Horus University, New Damietta, Egypt. School of Medicine, Tulane University, New Orleans, Louisiana, USA. Department of Medicine, Larkin Community Hospital, South Miami, Florida, USA. Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt. Department of Biochemistry, Faculty of Medicine, Northern Border University, Arar, Saudi Arabia. Department of Surgery, Trauma/Acute Care and Critical Care, School of Medicine, Tulane University, New Orleans, Louisiana, USA.