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The authorship requirements have been met, and the final manuscript was approved by all authors. This manuscript has not been published elsewhere and is not under consideration by another journal.The research protocol was approved by the local institutional review board and the Human Ethics Committee of the Affiliated Hospital of Qingdao University (QYFY-WALL-27621). Informed consent was provided by the patients\u2019 guardians. The study adhered to the tenets of the Declaration of Helsinki and the related laws and regulations. The privacy rights of human subjects always be observed.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"The authors declare no competing interests.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}],"article-number":"117"}}