Wien Klin Wochenschr 2021
Unfortunately, the original version of this ar cle contained several mistakes. Lorenz Kadletz-Wanke was wrongly affiliated with the Department of Radiooncology and -therapy, Medical University of Vienna, Vienna, Austria. In addition, there was a mistake in the summary and results section. It should be 30.6% recurrence rate instead of 30.1%. The original article has been corrected. Open access funding provided by Medical University of Vienna.
Open access funding provided by Medical University of Vienna.
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