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All research procedures were conducted in full compliance with the ethical standards of the committee and in accordance with the principles outlined in the Declaration of Helsinki. Informed consent was obtained from all participants and their legal guardians for minors.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"3"}}