In the original article, affiliation [1] was incorrectly written “Department of Medical Records, Office for DRGs (Diagnosis Related Groups), Henan Cancer Hospital, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, China.” The correct affiliation should be corrected as follows:
“Department of Medical Records, Office for DRGs (Diagnosis Related Groups), The Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, 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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