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*Correspondence: Wen-Bin Shen,
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In the published article, there was an error in affiliation 1. The previous affiliation stated “Department of Radiation Oncology, the Forth Hospital of Hebei Medical University, Shijiazhuang, China,”. The corrected affiliation is: “Department of Radiation Oncology, the Fourth Hospital of Hebei Medical University, Shijiazhuang, China,”.
The authors apologize for this error and state that this does not change the scientific conclusions of the article in any way. The original article has been updated.
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