1. Department of Periodontology and Community Oral Health, Faculty of Dentistry, Universiti Sains Islam Malaysia (USIM), Kuala Lumpur, Malaysia
2. Department of Community Oral Health and Clinical Prevention, Faculty of Dentistry, Universiti Malaya (UM), Kuala Lumpur, Malaysia
3. Department of Artificial Intelligence, Faculty of Computer Science and Information Technology, Universiti Malaya (UM), Kuala Lumpur, Malaysia