1. Department of Cardiology, Bispebjerg Hospital; Copenhagen University Hospital; Copenhagen Denmark
2. Department of Cardiology, Frederiksberg Hospital; Copenhagen University Hospital; Copenhagen Denmark
3. Department of Cardiology, Amager Hospital; Copenhagen University Hospital; Copenhagen Denmark
4. Department of Clinical Biochemistry, Rigshospitalet; Copenhagen University Hospital; Copenhagen Denmark
5. Department of Cardiology, Rigshospitalet; Copenhagen University Hospital; Copenhagen Denmark