1. Department of Pediatric Dentistry; Bezmialem Vakif University; Istanbul Turkey
2. Institute of Biomedical Engineering; Boğaziçi University; Istanbul Turkey
3. Division of Gerodontology; School of Dental Medicine; University of Bern; Bern Switzerland
4. Division of Gerodontology and Removable Prosthodontics; Dental University Clinic; University of Geneva; Geneva Switzerland
5. Department of Pediatric Dentistry; Marmara University; Istanbul Turkey