1. Christof Hasler-Mori, dentist, Department of Operative, Preventive and Paediatric Dentistry, School of Dental Medicine, University of Bern, Bern, Switzerland
2. Brigitte Zimmerli, DDS, assistant professor, Department of Operative, Preventive and Paediatric Dentistry, School of Dental Medicine, University of Bern, Bern, Switzerland
3. Adrian Lussi, DDS, professor, Department of Operative, Preventive and Paediatric Dentistry, School of Dental Medicine, University of Bern, Bern, Switzerland