?:authorAffiliation
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[\'Gastroenterology and Interventional Endoscopy Unit, Local Health Authority of Bologna, Bologna, Italy. Electronic address: vincenzo.cennamo@ausl.bologna.it.\', \'Gastroenterology and Interventional Endoscopy Unit, Local Health Authority of Bologna, Bologna, Italy.\', \'MF Toniolo Hospital, Bologna, Italy.\', \'Health Directorate, Local Health Authority Unit of Bologna, Bologna, Italy.\', \'Director of Prevention and Protection Service, Local Health Authority of Bologna, Bologna, Italy.\', \'Infectious Diseases Unit, Department of Medical and Surgical Sciences, Sant\'Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy.\', \'Department of Surgery, Local Health Authority of Bologna, Bologna, Italy.\', \'Humanitas Clinical and Research Center, Digestive Endoscopy Unit, Division of Gastroenterology, Rozzano (Milan).\']
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