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The use of relevant data extracted from the electronic medical record system was authorized, and the requirement for informed consent was waived. All procedures were conducted in accordance with the principles of the Declaration of Helsinki.","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":"Competing interests"}}],"article-number":"309"}}