1. Department of Surgery, Tulane University School of Medicine, New Orleans, LA 70112, USA
2. Tulane University School of Medicine, New Orleans, LA 70112, USA
3. School of Medicine, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA
4. Department of Otolaryngology-Head and Neck Surgery, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt
5. Department of Pathology, Tulane University School of Medicine, New Orleans, LA 70112, USA
6. Genetics Unit, Department of Histology and Cell Biology, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt