1. Oral and Maxillofacial Surgery Specialist Program, Faculty of Dental Medicine, Airlangga University, Surabaya, Indonesia
2. Department of Oral and Maxillofacial Surgery, Dr Mohamad Soewandhie General Hospital, Surabaya, Indonesia
3. Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine Universitas Airlangga, Surabaya, Indonesia