1. Klinik für Innere Medizin III; Universitätsklinikum des Saarlandes; Homburg Germany
2. Boehringer Ingelheim; Ingelheim Germany
3. Population Health Research Institute; McMaster University; Hamilton ON Canada
4. Hatter Institute for Cardiovascular Research in Africa; Faculty of Health Sciences; University of Cape Town; Cape Town South Africa
5. Department of Nephrology and Hypertension; Friedrich-Alexander University; Erlangen Germany
6. Nuffield Department of Medicine; John Radcliffe Hospital; Oxford UK