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Foundation Medicine, a company focusing on genomics and ctDNA in blood\/tissue, is not directly related to the submitted work but to ctDNA testing. Natera, a company focusing on ctDNA for stage II\/III colorectal cancer, is not directly related to the submitted work but to the field of liquid biopsies. All other authors declare that they have no conflicts of interest.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Disclosure"}}]}}