Anne Vinggaard Christensen, PhD Post doc, Department of Cardiology, The Heart Centre, Rigshospitalet, Copenhagen University Hospital, Copenhagen O, Denmark.

Pernille Fevejle Cromhout, PhD Post doc, Department of Cardiothoracic Anaesthesiology, The Heart Centre, Rigshospitalet, Copenhagen O, Denmark.

Martin Balslev Jørgensen, DMSc Professor, Psychiatric Centre Copenhagen, and Institute of Clinical Medicine, University of Copenhagen, Copenhagen O, and Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, København N, Denmark.

Ola Ekholm, MSc Senior Advisor, National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark.

Knud Juel, PhD Professor, National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark.

Jesper Hastrup Svendsen, DMSc Professor, Department of Cardiology, The Heart Centre, Rigshospitalet, Copenhagen University Hospital, Copenhagen O, and Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, København N, Denmark.

Trine Bernholdt Rasmussen, PhD Senior Researcher, Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, København N, and Department of Cardiology, Herlev and Gentofte University Hospital, Hellerup, Denmark.

Britt Borregaard, PhD Associate Professor, Department of Cardiothoracic and Vascular Surgery, Odense University Hospital, and Department of Cardiology, Odense University Hospital, University of Southern Denmark, Odense C, Denmark.

Rikke Elmose Mols, PhD Post doc, Department of Cardiology, Aarhus University Hospital, Aarhus N, Denmark.

Lars Thrysoee, PhD Clinical Nurse Researcher, Department of Cardiology, Odense University Hospital, University of Southern Denmark, Odense C, Denmark.

Charlotte Brun Thorup, PhD Post doc, Department of Cardiology and Department of Cardiothoracic Surgery & Clinical Nursing Research Unit, Aalborg University Hospital, Aalborg, Denmark.

Selina Kikkenborg Berg, PhD Professor, Department of Cardiology, The Heart Centre, Rigshospitalet, Copenhagen University Hospital, Copenhagen O, and Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, København N, Denmark.

The study was funded by the Novo Nordisk Foundation (ref. no. NNF18OC0034016) and RegionH (ref. no. A5972). The research presented was investigator initiated. The study funders played no role in the study.

The authors have no conflicts of interest to disclose.

Correspondence Selina Kikkenborg Berg, PhD, Department of Cardiology, The Heart Centre, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, 2100 Copenhagen O, Denmark ([email protected]).