1. Department of Maxillofacial Surgery, Oral Medicine, Pathology and Radiology, School of Dentistry, Moi University, Eldoret, Kenya
2. Dental Department, Kericho County Referral Hospital, Kericho, Kenya
3. Department of Maxillofacial Surgery, Oral Medicine, Oral Pathology and Radiology, School of Dental Sciences, University of Nairobi, Nairobi, Kenya