1 Department of Infection Prevention and Infectious Diseases, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany.
2 Department of Sarcoma Surgery, Barmherzige Brueder Regensburg, Prüfeninger Str. 86, 93049, Regensburg, Germany.
3 Department of Infection Prevention and Infectious Diseases, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany. bernd.salzberger@ukr.de.