1. Oral and Maxillofacial Surgery
2. Surgical Research Section, Department of Surgery
3. Primary Health Care Corporation (PHCC)
4. High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia
5. Postgraduate School of Public Health, Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
6. Nursing Research, Hamad Medical Corporation
7. Clinical and Applied Health Research Department, QU-Health, College of Medicine, Qatar University, Doha, Qatar
8. Department of Surgery, School of Medicine, Dentistry and Nursing, The University of Glasgow, United Kingdom of Great Britain and Northern Ireland, Glasgow, United Kingdom