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1 Department of Medicine, Digestive Health Research Institute, Case Western Reserve University School of Medicine, Cleveland, Ohio.
2 Gastrointestinal Unit, Third Academic Department of Internal Medicine, National and Kapodistrian University of Athens, Sotiria Hospital, Athens, Greece.
1 Department of Medicine, Digestive Health Research Institute, Case Western Reserve University School of Medicine, Cleveland, Ohio.
2 Gastrointestinal Unit, Third Academic Department of Internal Medicine, National and Kapodistrian University of Athens, Sotiria Hospital, Athens, Greece.