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Ethics committee approval was obtained from the Haikou People\u2019s Hospital local institutional review board prior to study commencement.","order":1,"name":"Ethics","label":"Ethics approval","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"All participants in this study gave written informed consent prior to participation.","order":2,"name":"Ethics","label":"Consent","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"This study was retrospectively registered in the China Clinical Trial Registry (registration # ChiCTR2600121520),\n                      \n                      .","order":3,"name":"Ethics","label":"Clinical trial registration","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"All authors declare that they have no conflicts of interest, financial or otherwise, that are directly or indirectly related to the content of this article.","order":4,"name":"Ethics","label":"Conflict of interest","group":{"name":"EthicsHeading","label":"Declarations"}}],"article-number":"209"}}