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Each participant received ethical approval and informed consent for the respective study, as detailed in the original publication. Paraffin-embedded salivary gland tissue sections were obtained from the Department of Pathology at Jiaxing Second Hospital. This study was approved by the Ethics Committee of Jiaxing Second Hospital.All studies involving human participants were conducted in accordance with the ethical principles of the Declaration of Helsinki.","order":1,"name":"Ethics","label":"Ethics approval and consent to participate","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare no competing interests.","order":2,"name":"Ethics","label":"Competing interests","group":{"name":"EthicsHeading","label":"Declarations"}}],"article-number":"151"}}