Affiliation: | 1.Department of Oral Biology, Medical University of Vienna, Sensengasse 2a, 1190, Vienna, Austria ;2.Department of Periodontology, School of Dental Medicine, University of Bern, Freiburgstrasse 7, 3010, Bern, Switzerland ;3.Department of Paediatrics and Adolescent Medicine, Division of Neonatology, Medical University of Vienna, Währingergürtel 18-20, 1090, Vienna, Austria ;4.Austrian Cluster for Tissue Regeneration, Donaueschingenstraße 13, 1200, Vienna, Austria ; |