1. Division of Preventive and Operative Dentistry, Endodontics, Periodontology, Prosthodontics, Restorative Dentistry and Implantology Department of Dental Medicine and Oral Health School of Dentistry Medical University Graz Graz Austria
2. Division of Oral Surgery and Orthodontics Department of Dental Medicine and Oral Health School of Dentistry Medical University Graz Graz Austria