1. Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands
2. Department of Cardiology, Canisius Wilhelmina Hospital, Nijmegen, The Netherlands
3. Department of Cardiology, Rijnstate Hospital, Arnhem, The Netherlands
4. Department of Clinical Chemistry, Isala Clinics, Zwolle, The Netherlands
5. Department of Clinical Chemistry, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, CA
6. Department of Pathology, The University of Chicago, Chicago, IL