In the published article, there was an error in the affiliation for author Fang Ma. The affiliation of this author should be changed from “Department of Nursing, Kunming Municipal Hospital of Traditional Chinese Medicine, Kunming, China” to “Department of Nursing, The First Affiliated Hospital of Kunming Medical University, Kunming, 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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