1. Department of Oral and Maxilla‐Facial Surgery Service of Oral Maxillofacial‐Head and Neck Oncology Surgery Faculty of Dental Medicine, University of Kinshasa Kinshasa Democratic Republic of the Congo
2. Department of Oral Maxillofacial Head and Neck Oncology Surgery School and Hospital of Stomatology, Wuhan University Wuhan P.R. China
3. The State Key Laboratory Breeding Base of Basic Science of Stomatology & Key Laboratory of Oral Biomedicine Ministry of Education School & Hospital of Stomatology, Wuhan University Wuhan China
4. Department of Maxillofacial and Oral Surgery Faculty of Dentistry and WHO Collaborating Centre, University of the Western Cape Cape Town South Africa
5. Faculty of Science and Health, University of Portsmouth Dental Academy Portsmouth UK
6. Department of Periodontology, Faculty of Dental Medicine University of Kinshasa Kinshasa Democratic Republic of the Congo