1. Department of Medicine, University Hospital Basel, University of Basel, Basel, Switzerland
2. Cardiovascular Research Institute Basel, University Hospital Basel, University of Basel, Basel, Switzerland
3. Institute of Social and Preventive Medicine, Lausanne University Hospital, Lausanne, Switzerland
4. Department of Cardiology, Geneva University Hospitals, Geneva, Switzerland
5. Department of Nephrology, Geneva University Hospitals, Geneva, Switzerland
6. Service of Nephrology and Hypertension, University Hospital Lausanne, Lausanne, Switzerland
7. University Clinic for Nephrology and Hypertension, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
8. Geneva University Hospitals, Unit of population epidemiology, Geneva, Switzerland
9. Department of Ambulatory Care and Community Medicine, University of Lausanne and Department of Epidemiology, Lausanne, Switzerland
10. Emory University, Atlanta, Georgia, USA
11. Geneva University Hospitals, Hypertension Unit, Geneva, Switzerland
12. Sonnenhofspital, Bern, Switzerland
13. Labormedizinisches Zentrum Dr. Risch, Principality of Liechtenstein, Schaan, FL
14. Division of Laboratory Medicine, Kantonspital Graubünden, Chur, Switzerland
15. Division of Clinical Biochemistry, Medical University Innsbruck, Innsbruck, Austria
16. Private University, Triesen, FL
17. Population Health Research Institute, McMaster University, Hamilton, Canada