1. Postgraduate Program, Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
2. Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Universitas Muslim Indonesia, Indonesia
3. Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
4. Department of Oral and Maxillofacial Surgery Dental Hospital, Universitas Airlangga, Surabaya, Indonesia
5. Department of Oral and Maxillofacial Surgery, M. Soewandhie Hospital, Surabaya, Indonesia
6. Department Oral and Maxillofacial Surgery, Pioneer Dental College and Hospital, Dhaka, Bangladesh