Affiliation: | 1. Munich Cancer Registry (MCR) of the Munich Cancer Centre (MCC), Department of medical Informatics, Biometry and Epidemiology (IBE), Ludwig‐Maximilians‐University (LMU), Gro?hadern Clinic, Munich, Germany;2. Cancer Centre Brandenburg, Onkologischer Schwerpunkt Frankfurt (Oder), Frankfurt (Oder), Germany;3. Regional Clinical Cancer Register Dresden (RKKRD), Dresden, Germany |