About the Authors

Urban Alehagen

Urban.Alehagen@liu.se

Affiliation Division of Cardiovascular Medicine, Department of Medical and Health Sciences, Linköping University, Linköping, Sweden

Peter Johansson

Affiliations Division of Cardiovascular Medicine, Department of Medical and Health Sciences, Linköping University, Linköping, Sweden, Department of Social and Welfare Studies, Linköping University, Norrköping, Sweden

Jan Aaseth

Affiliation Research Department, Innlandet Hospital Trust, Brumunddal, Norway, and Hedmark University of Applied Sciences, Elverum, Norway

Jan Alexander

Affiliation Norwegian Institute of Public Health, Oslo, and Norwegian University of Life Sciences (NMBU), Ås, Norway

Kerstin Brismar

Affiliation Department of Molecular Medicine and Surgery, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden

Competing Interests

The authors received donations (study tablets/capsules or placebo) and funding (part of the echocardiographical costs) from Pharma Nord Aps. There are no patents, products in development or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: UA KB. Data curation: UA KB. Formal analysis: UA. Funding acquisition: UA KB. Investigation: UA PJ KB. Methodology: UA PJ KB. Project administration: UA KB. Resources: UA KB. Supervision: UA J. Aaseth J. Alexander PJ KB. Writing – original draft: UA KB J. Aaseth J. Alexander PJ.