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Approval was granted by the Ethics Committee of Fondazione Policlinico Universitario A. Gemelli IRCCS \u2013 Universit\u00e0 Cattolica del Sacro Cuore, Rome, Italy (21 April 2022; study ID 4788, protocol number 0015268\/22), with authorization by the Scientific Directorate on 3 May 2022.","order":1,"name":"Ethics","label":"Ethics approval","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"Given the retrospective design and the exclusive use of deidentified data, the Ethics Committee waived the requirement for individual informed consent.","order":2,"name":"Ethics","label":"Consent to participate","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"All images reproduced in Fig.\u00a0\n                      \n                      are deidentified radiographic and computed tomography images from which no individual participant can be identified.","order":3,"name":"Ethics","label":"Consent for publication","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","label":"Competing interests","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"Not applicable; this is a retrospective observational study and not a clinical trial.","order":5,"name":"Ethics","label":"Clinical trial registration","group":{"name":"EthicsHeading","label":"Declarations"}}],"article-number":"844"}}