1. Department of Periodontology, Semmelweis University, Szentkirályi Utca 47, 1088 Budapest, Hungary
2. Botiss Medical AG, Ullsteinstraße 108, 12109 Berlin, Germany
3. Department of Anatomy Histology and Embryology, Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University, Ul. Cara Hadrijana 8/A, 31000 Osijek, Croatia