1. Department of Biological Sciences; Case Western Reserve University School of Dental Medicine; Cleveland OH USA
2. Menzies Health Institute Queensland; Griffith University; Gold Coast, Qld, Australia and Dental Hospital, and Sri Lanka Air Force Station Colombo, Sri Lanka; Australia
3. College of Health Sciences; University of Zimbabwe; Avondale Harare Zimbabwe
4. Department of Morphology, Stomatology Physiology; University of Sao Paulo; Ribeirao Preto Sao Paulo Brazil
5. Oral Medicine; School of Dentistry and Oral Health; Griffith University; Gold Coast Qld, Australia and Cancer Services, Gold Coast University Hospital, Queensland Health, Qld, Autralia Australia
6. Menzies Health Institute; Griffith University; Gold Coast Qld Australia