1. Department of Preventive Dentistry Faculty of Dental Sciences College of Medicine, University of Lagos Idi‐Araba Lagos Nigeria
2. Department of Oral and Maxillofacial Diseases University of Helsinki Helsinki University Hospital Helsinki Finland
3. School of Dental Sciences and Translational and Clinical Research Institute Newcastle University Newcastle upon Tyne UK
4. School of Dentistry University of Dundee Dundee UK
5. Department of Preventive and Community Dentistry Faculty of Dentistry College of Health Sciences Obafemi Awolowo University Ile‐Ife Nigeria
6. Division of Periodontology Department of Dental Medicine Karolinska Institutet Stockholm Sweden