About the Authors

Peter Hallersund

Affiliation Department of Gastrosurgical Research and Education, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Lars Sjöström

Affiliation Department of Molecular and Clinical Medicine and Center for Cardiovascular and Metabolic Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Torsten Olbers

Affiliation Department of Gastrosurgical Research and Education, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Hans Lönroth

Affiliation Department of Gastrosurgical Research and Education, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Peter Jacobson

Affiliation Department of Molecular and Clinical Medicine and Center for Cardiovascular and Metabolic Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Ville Wallenius

Affiliation Department of Gastrosurgical Research and Education, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Ingmar Näslund

Affiliation Department of Molecular and Clinical Medicine and Center for Cardiovascular and Metabolic Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Lena M. Carlsson

Affiliation Department of Molecular and Clinical Medicine and Center for Cardiovascular and Metabolic Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Lars Fändriks

lars.fandriks@gastro.gu.se

Affiliation Department of Gastrosurgical Research and Education, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Competing Interests

The authors would like to declare the following: Dr. Lars Sjöström, reports serving as a member of the board of Lenimen, receiving lecture fees from AstraZeneca and Johnson & Johnson, and providing an expert statement on drug effects and weight-loss effects on obesity for AstraZeneca; Dr Hans Lönroth reports receiving unrestricted research grants and travel grants from Johnson & Johnson; Dr. Lena Carlsson reports receiving consulting fees from AstraZeneca and owning stock in Sahltech; Dr Lars Fändriks reports receiving unrestricted reaserch grants from VSL#3 Pharmaceutical Inc. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: PH LF LS LMC. Performed the experiments: LS IN TO PJ HL VW. Analyzed the data: PH LF LMC LS VW. Wrote the paper: PH LF. Intellectual content: LMC LS IN TO PJ HL VW. Statistical analysis: PH. Obtained funding: LF LMC HL LS. Administrative, technical, or material support: IN TO PJ HL VW. Study supervision: LF LMC LS.