1. Department of Prosthodontics, Faculty of Medicine, University of Ljubljana, SI-1000 Ljubljana, Slovenia
2. Gemelli University Hospital, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
3. Cosmic Smile Laser Dental, Sydney, NSW 2089, Australia
4. Laserski Center MV, 1000 Ljubljana, Slovenia
5. Department of Oral Surgery, King’s College Hospital NNS Foundation Trust, London SE5 9RS, UK
6. Department of Restorative Dental Sciences, UCL-Eastman Dental Institute, Medical Faculty, University College London, London WC1E 6DE, UK
7. Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, 16126 Genoa, Italy