1. Klinik für Innere Medizin III; Universitätsklinikum des Saarlandes; Homburg Germany
2. Boehringer Ingelheim; Ingelheim Germany
3. Department of Nephrology and Hypertension; Friedrich-Alexander University; Erlangen Germany
4. Department of Nephrology and Hypertension; Klinikum Schwabing; Munich Germany
5. Population Health Research Institute; McMaster University; Hamilton ON Canada
6. Nuffield Department of Medicine; John Radcliffe Hospital; Oxford UK
7. IRCCS Istituto Auxologico Italiano; University of Milano-Bicocca; Milan Italy
8. Hatter Institute for Cardiovascular Research in Africa and IIDMM; Faculty of Health Sciences; University of Cape Town; Cape Town South Africa
9. Department of Medicine; University of Chicago; Chicago IL USA