1. Nursing and Healthcare, Department of Public Health, Aarhus University, Aarhus, Denmark
2. Department of Cardiology, Copenhagen University Hospital, Amager Hvidovre, Copenhagen, Denmark
3. Department of Cardiology, Copenhagen University Hospital, Herlev Gentofte, Copenhagen, Denmark
4. Department of Clinical Medicine, Faculty of Health and medical Sciences, University of Copenhagen, Copenhagen, Denmark
5. University College Copenhagen, Institute for Nursing and Nutrition, Copenhagen, Denmark
6. Copenhagen University, Faculty of Health and Medical Sciences, Copenhagen, Denmark
7. Department of Paediatrics and Adolecent Medicine, Copenhagen University Hospital, Amager Hvidovre, Copenhagen, Denmark
8. Department of Obstetrics and Gynaecology, Copenhagen University Hospital, Amager Hvidovre, Copenhagen, Denmark