1. Department of Medicine University College London Hospitals NHS Foundation Trust London UK
2. Cardiometabolic Programme‐NIHR UCLH/UCL BRC London London UK
3. Department of Vascular Medicine Amsterdam University Medical Centers Amsterdam The Netherlands
4. Department of Haematology Amsterdam University Medical Centers Amsterdam The Netherlands
5. Department of Hematology and Central Hematology Laboratory, Inselspital Bern University Hospital University of Bern Bern Switzerland
6. Department for BioMedical Research University of Bern Bern Switzerland
7. Clinical Immunology and Allergy Royal National Throat Nose and Ear Hospital University College London Hospitals London UK
8. Department of Clinical Biochemistry and Immunology Addenbrooke's Hospital Cambridge University Hospitals NHS Foundation Trust Cambridge UK