?:authorAffiliation
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[\'International Agency for Research on Cancer, Lyon, France.\', \'Section Colorectal Surgery, King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia.\', \'Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.\', \'The Graduate School for Cellular and Biomedical Sciences (GCB) of the University of Bern, Bern, Switzerland.\']
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