1. Clinic of Pediatric Otorhinolaryngology of the Medical Faculty Comenius University in Bratislava and National Institute of Children’s Diseases, 83101 Bratislava, Slovakia
2. Institute of Histology and Embryology, Faculty of Medicine, Comenius University in Bratislava, 81372 Bratislava, Slovakia
3. Department of Oral and Maxillofacial Surgery, Faculty of Medicine, Comenius University in Bratislava and University Hospital, 81372 Bratislava, Slovakia
4. Department of Orthodontics, Regenerative and Forensic Dentistry, Faculty of Medicine, Comenius University in Bratislava, 81102 Bratislava, Slovakia