About the Authors

Dusan Bilbija

dusan.bilbija@medisin.uio.no

Affiliations Department of Physiology, University of Oslo, Oslo, Norway, Center for Heart Failure Research, University of Oslo, Oslo, Norway

Fred Haugen

Affiliations Department of Physiology, University of Oslo, Oslo, Norway, Center for Heart Failure Research, University of Oslo, Oslo, Norway

Julia Sagave

Affiliations Department of Physiology, University of Oslo, Oslo, Norway, Center for Heart Failure Research, University of Oslo, Oslo, Norway

Anton Baysa

Affiliations Department of Physiology, University of Oslo, Oslo, Norway, Center for Heart Failure Research, University of Oslo, Oslo, Norway

Nasser Bastani

Affiliation Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway

Finn Olav Levy

Affiliations Department of Pharmacology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway, Center for Heart Failure Research, University of Oslo, Oslo, Norway

Allan Sirsjö

Affiliation Division of Biomedicine, Department of Clinical Medicine, Örebro University, Örebro, Sweden

Rune Blomhoff

Affiliation Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway

Guro Valen

Affiliations Department of Physiology, University of Oslo, Oslo, Norway, Center for Heart Failure Research, University of Oslo, Oslo, Norway

Competing Interests

This study was partly funded by Freia Chocolate Factory’s Medical Fund. 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, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: DB GV. Performed the experiments: DB FH JS NB. Analyzed the data: DB FH GV. Contributed reagents/materials/analysis tools: DB FOL AS RB GV. Wrote the paper: DB. Contributed with theoretical discussion: DB FH AB FOL AS RB GV.