1. Research Center of Applied and Preventive Cardiovascular MedicineUniversity of Turku Turku Finland
2. Orion Pharma Turku Finland
3. Heart CenterTurku University HospitalTyks T‐Hospital Turku Finland
4. Department of Clinical PhysiologyTampere University Hospital and Faculty of Medicine and Life SciencesUniversity of Tampere Tampere Finland
5. Department of Clinical ChemistryFimlab Laboratories and Faculty of Medicine and Life SciencesUniversity of Tampere Tampere Finland
6. Department of MedicineUniversity of Turku Turku Finland
7. Division of MedicineTurku University Hospital Turku Finland
8. Department of Clinical PhysiologyUniversity of Eastern Finland and Kuopio University Hospital Kuopio Finland
9. Department of PediatricsPEDEGO Research Unit and Medical Research Center OuluUniversity of Oulu Oulu Finland
10. Department of Paediatric CardiologyHospital for Children and AdolescentsUniversity of Helsinki Helsinki Finland
11. Department of PediatricsFaculty of Medicine and Life SciencesUniversity of Tampere and Tampere University Hospital Tampere Finland
12. Department of Clinical Physiology and Nuclear MedicineUniversity of Turku Turku Finland