In the original article, there was an error. The statement of the written informed consent procedures was incorrect because of inappropriate wording.
A correction has been made to the Materials and Methods, subsection Subjects, paragraph one:
“The protocol of this study was approved by the Ethical Committee of Tianjin Medical University General Hospital, and written informed consent was obtained from all participants or their guardians according to institutional guidelines.”
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.