RUNMC, Nijmegen, Netherlands
Canisius Wilhelmina hospital, Department of otorhinolaryngology, Nijmegen, Netherlands
Radboud, University Nijmegen Medical Centre, Department of Otorhinolaryngology, Nijmegen, Netherlands
Saint-Pierre University Hospital; Department of Infectious Diseases, Brussels, Belgium
CHARITÉ Berlin, Berlin, Germany
University of Bonn, Bonn, Germany
Karakter University Centre for Child and Adolescent Psychiatry Nijmegen, Nijmegen, Netherlands
Radboud University Medical Center, Nijmegen, Netherlands
Radboud University Nijmegen Medical Centre, Nijmegen, Gelderland, Netherlands
University Medical Center St. Radboud, Nijmegen, Gelderland, Netherlands
Academic Medical Center, Amsterdam, Netherlands
University Medical Center, Groningen, Netherlands
Leiden University Medical Center, Leiden, Netherlands
Radboud University Medical Centre Nijmegen, Nijmegen, Gelderland, Netherlands
AMC, Amsterdam, Netherlands