About the Authors

Malin Werling

malin.werling@gmail.com

Affiliation Department of Gastrosurgical Research and Education, Sahlgrenska academy, University of Gothenburg. Department of Surgery, Sahlgrenska University Hospital/Sahlgrenska, Gothenburg, Sweden

Lars Fändriks

Affiliation Department of Gastrosurgical Research and Education, Sahlgrenska academy, University of Gothenburg. Department of Surgery, Sahlgrenska University Hospital/Sahlgrenska, Gothenburg, Sweden

Torsten Olbers

Affiliation Department of Gastrosurgical Research and Education, Sahlgrenska academy, University of Gothenburg. Department of Surgery, Sahlgrenska University Hospital/Sahlgrenska, Gothenburg, Sweden

Marco Bueter

Affiliation Department of Surgery, Division of Visceral and Transplantation Surgery, University Hospital Zurich, Zurich, Switzerland

Lars Sjöström

Affiliation Swedish Obese Subject’s Secretariat, Institute of Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden

Hans Lönroth

Affiliation Department of Gastrosurgical Research and Education, Sahlgrenska academy, University of Gothenburg. Department of Surgery, Sahlgrenska University Hospital/Sahlgrenska, Gothenburg, Sweden

Ville Wallenius

Affiliation Department of Gastrosurgical Research and Education, Sahlgrenska academy, University of Gothenburg. Department of Surgery, Sahlgrenska University Hospital/Sahlgrenska, Gothenburg, Sweden

Kaj Stenlöf

Affiliation Gothia Forum, Sahlgrenska University Hospital, Gothenburg, Sweden

Carel W. le Roux

Affiliations Department of Gastrosurgical Research and Education, Sahlgrenska academy, University of Gothenburg. Department of Surgery, Sahlgrenska University Hospital/Sahlgrenska, Gothenburg, Sweden, Diabetes Complications Research Centre, Conway Institute, University College Dublin, Dublin, Ireland, Investigative Science, Imperial College London, London, United Kingdom

Competing Interests

Ethicon Endosurgery provided funding towards this study. There are no patents, products in development or marketed products to declare. 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: MW LF TO MB LS HL VW KS CLR. Performed the experiments: MW. Analyzed the data: MW LF TO MB LS HL VW KS CLR. Contributed reagents/materials/analysis tools: MW LF LS KS CLR. Wrote the paper: MW LF TO MB LS HL VW KS CLR.