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Drs. McCollough and Fletcher receive grant support to their institution from Siemens Healthcare GmbH, which provided the offline computer workstation, and iterative metal artifact reduction software and automatic adaptive iterative metal artifact reduction software examined in this work.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"This study was compliant with the Health Insurance Portability and Accountability Act (HIPAA).","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"The Institutional Review Board approved the study protocol and waived the requirement for informed consent for the use of this retrospective data. All patients permitted the use of their clinical records for research purposes according to Minnesota Research Authorization status.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to participate"}},{"value":"N\/A","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"Additional declarations for articles in life science journals report the results of studies involving humans and\/or animals.","order":6,"name":"Ethics","group":{"name":"EthicsHeading","label":"Research involved in human and animal rights"}}]}}