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Xiao-xue Li declares that she has no conflict of interest. Yi-meng Ge declares that she has no conflict of interest. Shao-yang Lai declares that he has no conflict of interest. Luo-qi Zhou declares that she has no conflict of interest. Ling Feng declares that she has no conflict of interest. Jie Zhao declares that she has no conflict of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"The study was approved by the Institutional Review Board of Peking University Third Hospital (No. 20200137) and the Ethical Committee of Tongji Medical College (No. 0002068). 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