1. Department of Oral Medicine, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
2. Division of Oral Diagnosis, Department of Oral Biomedical Science, Faculty of Dentistry, Khon Kaen University, Khon Kaen, Thailand
3. Bachelor of Dental Science, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
4. Oral Medicine Specialist Study Program, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia