1. Semmelweis University, Budapest, Hungary.
2. Department of Pedodontics and Orthodontics, and Consultant, 1st Department of Pediatrics, Semmelweis University, Budapest, Hungary.
3. Maxillofacial Surgeon, Cleft & Craniofacial Centre, and Division of Maxillo-Facial Surgery, General Hospital St. Jan, Bruges, Belgium.
4. 1st Department of Pediatrics, Semmelweis University Budapest, Hungary, and Maxillofacial Surgeon, Cleft & Craniofacial Centre, and Division of Maxillo-Facial Surgery, General Hospital St. Jan, Bruges, Belgium.