1. King’s British Heart Foundation Centre, Kings College London, United Kingdom (K.T., M.H., F.B., J.B.B., L.E.S., S.Y., X.Y., S.B., B.S., J.P., M.M.).
2. Division of Cardiology, Department of Internal Medicine II (S.S., O.H., C.H., J.W., M.M.), Medical University of Vienna, Austria.
3. Central Diagnostics Laboratory, Division Laboratories, Pharmacy, and Biomedical Genetics, University Medical Center Utrecht, Utrecht University, the Netherlands (S.W.v.d.L., G.P.).
4. Division of Vascular Surgery, Department of Surgery (S.K., C.N.), Medical University of Vienna, Austria.
5. Department of Pathology (M.C.N.), Medical University of Vienna, Austria.
6. Division of Cardiovascular and Interventional Radiology, Department of Biomedical Imaging and Image-Guided Therapy (A.S., C.L.), Medical University of Vienna, Austria.
7. Department of Laboratory Medicine (S.D.), Medical University of Vienna, Austria.
8. Core Facilities (M.B.), Medical University of Vienna, Austria.
9. Third Medical Department, Wilhelminenspital, and Sigmund Freud University, Medical Faculty, Vienna, Austria (K.H.).
10. Ludwig Boltzmann Institute for Cardiovascular Research, Vienna, Austria (J.W.).