Affiliation: | 1. Division of Oral Surgery, Bernhard Gottlieb School of Dentistry, Medical University of Vienna, Vienna, Austria;2. Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands;3. Division of Phoniatrics–Logopedics, Department of Otorhinolaryngology, Medical University of Vienna, Vienna, Austria |