Affiliation: | 1. Digital Health Research Unit, Cancer Research Malaysia, Subang Jaya, Malaysia;2. Centre of Image and Signal Processing, Faculty of Computer Science and Information Technology, University of Malaya, Kuala Lumpur, Malaysia;3. Department of Oral and Maxillofacial Clinical Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia;4. Department of Oral Medicine and Periodontology, Centre for Research in Oral Cancer, Faculty of Dental Sciences, University of Peradeniya, Peradeniya, Sri Lanka;5. Department of Oral Medicine and Radiology, BP Koirala Institute of Health Sciences, Dharan, Nepal;6. Oral and Maxillofacial Pathology, Radiology and Medicine, New York University, New York, New York, USA;7. Faculty of Dentistry, Trisakti University, Jakarta, Indonesia;8. Oral Medicine and Radiology, JSS Dental College and Hospital, JSS Academy of Higher Education & Research, Mysuru, India;9. Digital Information Research Centre, Faculty of Science, Engineering and Computing, Kingston University, Surrey, UK;10. Digital Health Research Unit, Cancer Research Malaysia, Subang Jaya, Malaysia Contribution: Data curation, Writing - original draft, Writing - review & editing;11. Digital Information Research Centre, Faculty of Science, Engineering and Computing, Kingston University, Surrey, UK Contribution: Conceptualization, Writing - review & editing;12. Institute of Dentistry, University of Aberdeen, Aberdeen, UK Contribution: Conceptualization, Writing - review & editing;13. Department of Computer System & Technology, Faculty of Computer Science & Information Technology, University of Malaya, Kuala Lumpur, Malaysia;14. National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan |