1. Department of Oral Medicine and Oral Surgery; Jordan University of Science and Technology (JUST); Irbid Jordan
2. Department of Biotechnology and Genetics; JUST; Irbid Jordan
3. Department of Oral Medicine and Oral Diagnosis; College of Dentistry; Al Mustansiriya University; Baghdad Iraq
4. Division of Otolaryngology; Department of Special Surgery; Faculty of Medicine; King Abdullah University Hospital; Jordan University of Science and Technology; Irbid Jordan
5. Unit of Oral and Maxillofacial Medicine and Surgery; School of Clinical Dentistry; The University of Sheffield; Sheffield UK