About the Authors

Luis Bujanda

medik@telefonica.net

Affiliation Department of Gastroenterology, Donostia Hospital-Biodonostia Institute, University of Basque Country (UPV/EHU), Centro de Investigación Biomédica en Enfermedades Hepáticas y Digestivas (CIBERehd), San Sebastián, Spain

Cristina Sarasqueta

Affiliation Department of Epidemiology, CIBERESP, Donostia Hospital, San Sebastián, Spain

Angel Cosme

Affiliation Department of Gastroenterology, Donostia Hospital-Biodonostia Institute, University of Basque Country (UPV/EHU), Centro de Investigación Biomédica en Enfermedades Hepáticas y Digestivas (CIBERehd), San Sebastián, Spain

Elizabeth Hijona

Affiliation Department of Gastroenterology, Donostia Hospital-Biodonostia Institute, University of Basque Country (UPV/EHU), Centro de Investigación Biomédica en Enfermedades Hepáticas y Digestivas (CIBERehd), San Sebastián, Spain

José M. Enríquez-Navascués

Affiliation Department of Surgery, Donostia Hospital, San Sebastián, Spain

Carlos Placer

Affiliation Department of Surgery, Donostia Hospital, San Sebastián, Spain

Eloisa Villarreal

Affiliation Department of Surgery, Donostia Hospital, San Sebastián, Spain

Marta Herreros-Villanueva

Affiliation Department of Gastroenterology, Donostia Hospital-Biodonostia Institute, University of Basque Country (UPV/EHU), Centro de Investigación Biomédica en Enfermedades Hepáticas y Digestivas (CIBERehd), San Sebastián, Spain

María D. Giraldez

Affiliation Department of Gastroenterology, Clinic Hospital, CIBERehd, IDIBAPS, Barcelona, Spain

Meritxell Gironella

Affiliation Department of Gastroenterology, Clinic Hospital, CIBERehd, IDIBAPS, Barcelona, Spain

Francesc Balaguer

Affiliation Department of Gastroenterology, Clinic Hospital, CIBERehd, IDIBAPS, Barcelona, Spain

Antoni Castells

Affiliation Department of Gastroenterology, Clinic Hospital, CIBERehd, IDIBAPS, Barcelona, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Performed the experiments: A. Cosme EH JMEN CP EV MHV. Contributed reagents/materials/analysis tools: A. Cosme EH JMEN CP EV MHV. Wrote the paper: LB MG CS. Acquired, analyzed and interpreted the data: CS LB MG MHV EH MDG FB A. Castells. Critically revised the manuscript for important intellectual content: LB.