About the Authors

Jonas Zeitz

jonas.zeitz@usz.ch

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

Melike Ak

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

Séverine Müller-Mottet

Affiliation Division of Pulmonology, Zurcher Rehabilitation Center Wald, Wald, Switzerland

Sylvie Scharl

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

Luc Biedermann

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

Nicolas Fournier

Affiliation Institute of Social and Preventive Medicine, Université de Lausanne, Lausanne, Switzerland

Pascal Frei

Affiliation Gastroenterology Bethanien, Zurich, Switzerland

Valerie Pittet

Affiliation Institute of Social and Preventive Medicine, Université de Lausanne, Lausanne, Switzerland

Michael Scharl

Affiliations Division of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland, Zurich Center for Integrative Human Physiology, University of Zurich, Zurich, Switzerland

Michael Fried

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

Gerhard Rogler

Contributed equally to this work with: Gerhard Rogler, Stephan Vavricka

Affiliations Division of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland, Zurich Center for Integrative Human Physiology, University of Zurich, Zurich, Switzerland

Stephan Vavricka

Contributed equally to this work with: Gerhard Rogler, Stephan Vavricka

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

Swiss IBD Cohort Study Group

Membership of the Swiss IBD Cohort Study (SIBDCS) is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JZ SV GR. Analyzed the data: JZ MA NF SS VP MF MS PF SV GR LB. Contributed reagents/materials/analysis tools: SM. Wrote the paper: JZ MA.