Dr. med. P. Dubach was spending a fellowship at the Department of Otorhinolaryngology of the University Hospital of Leipzig, at the IRDC and at the ICCAS institute from June 2013 until June 2014. As a clinician he holds a position as consultant in Otorhinolaryngology at the Inselspital and has been directing the ENT Outpatient Clinic of the University Hospital of Bern since 2011. After acquiring a subtitle in Head- and Neck Surgery he focused in rhinology and otology and especially in Computer Assisted Surgery in the last 3 years.