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Pasquale Losurdo, Ilaria Gandin, Manuel Belgrano, Ilaria Fiorese, Roberto Verardo, Fabrizio Zanconati, Maria Assunta Cova, and Nicol\u00f2 de Manzini have no conflicts of interest or financial ties to disclose.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Disclosures"}},{"value":"The present study was conducted in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Data were stored anonymously in our colorectal cancer database, not open access. A proper broad informed consent for unspecified use of data was obtained for each patient. Patients\u2019 data were stored only once anonymized, therefore confidentiality of the information linked to the data is guaranteed. Nobody among the researchers had access to the identification of patients\u2019 information. 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