1. Resident, Department of Orthodontics and Pediatric Dentistry, UZB, University Center for Dental Medicine, University of Basel, Basel, Switzerland.
2. Resident, Department of Periodontology, Endodontology and Cardiology, UZB, University Center for Dental Medicine, University of Basel, Basel, Switzerland.
3. Associate Professor, Department of Restorative Dentistry, Periodontology, Endodontology and Pediatric Dentistry, School of Dental Medicine, Eberhard Karls University, Tübingen, Germany.
4. Associate Professor, Department of Orthodontics and Pediatric Dentistry, UZB, University Center for Dental Medicine, University of Basel, Basel, Switzerland.
5. Professor and Head, Department of Orthodontics and Pediatric Dentistry, UZB, University Center for Dental Medicine, University of Basel, Basel, Switzerland.
6. Assistant Professor, Department of Periodontology, Endodontology and Cariology, UZB, University Center for Dental Medicine, University of Basel, Basel, Switzerland.