AUTHOR=Medenwald Daniel , Vordermark Dirk , Dietzel Christian T. TITLE=Corrigendum: Early Mortality of Prostatectomy vs. Radiotherapy as a Primary Treatment for Prostate Cancer: A Population-Based Study From the United States and East Germany JOURNAL=Frontiers in Oncology VOLUME=11 YEAR=2021 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2021.635433 DOI=10.3389/fonc.2021.635433 ISSN=2234-943X