About the Authors

Luc Biedermann

Affiliation Division of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland

Jonas Zeitz

Affiliation Division of Internal Medicine, University Hospital Zurich, Zurich, Switzerland

Jessica Mwinyi

Affiliations Division of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland, Division of Clinical Pharmacology and Toxicology, University Hospital Zurich, Zurich, Switzerland

Eveline Sutter-Minder

Affiliation Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland

Ateequr Rehman

Current address: Department of Environmental Health, Sciences, University Medical Center, Freiburg, Germany

Affiliation Institute of Clinical Molecular Biology, Christian Albrechts University of Kiel, Kiel, Germany

Stephan J. Ott

Affiliations Institute of Clinical Molecular Biology, Christian Albrechts University of Kiel, Kiel, Germany, Division of General Internal Medicine, University Hospital Schleswig-Holstein, Kiel, Germany

Claudia Steurer-Stey

Affiliations Institute of General Practice, University of Zurich, Zurich, Switzerland, Smoking Consulting Programme, University Hospital Zurich, Zurich, Switzerland

Anja Frei

Affiliations Institute of General Practice, University of Zurich, Zurich, Switzerland, Smoking Consulting Programme, University Hospital Zurich, Zurich, Switzerland

Pascal Frei

Affiliation Division of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland

Michael Scharl

Affiliation Division of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland

Martin J. Loessner

Affiliation Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland

Stephan R. Vavricka

Affiliations Division of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland, Division of Gastroenterology and Hepatology, Hospital Triemli, Zurich, Switzerland

Michael Fried

Affiliation Division of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland

Stefan Schreiber

Affiliations Institute of Clinical Molecular Biology, Christian Albrechts University of Kiel, Kiel, Germany, Division of General Internal Medicine, University Hospital Schleswig-Holstein, Kiel, Germany

Markus Schuppler

Affiliation Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland

Gerhard Rogler

gerhard.rogler@usz.ch

Affiliation Division of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Critical revision of the manuscript: GR M. Schuppler JM ESM AR M. Scharl JZ PF CCS ML MF SRV. Conceived and designed the experiments: GR SRV LB M. Schuppler MF ML CSS. Performed the experiments: LB ESM M. Schuppler JZ AF MF M. Scharl PF SO SS. Analyzed the data: LB JM GR AR SO SS ESM. Contributed reagents/materials/analysis tools: LB JZ AR SO CSS AF ML M. Scharl. Wrote the paper: LB GR.