1. College of Health Sciences, Faculty of Dentistry, Obafemi Awolowo University, Ile-Ife, Osun, Nigeria
2. Kirby Institute for Infection and Immunity in Society, Sydney, NSW, Australia
3. Department of Preventive Dentistry, Lagos State University College of Medicine, Ikeja, Lagos, Nigeria
4. Department of Oral and Maxillofacial Surgery, Faculty of Dental Sciences, College of Medicine, University of Lagos, Akoka, Lagos, Nigeria