1. Division of Internal Medicine and Hypertension Unit, Department of Medical Sciences, University of Torino , 10126 Torino , Italy
2. Center of Functional Genomics, Berlin Institute of Health at Charité—Universitätsmedizin Berlin , 10115 Berlin , Germany
3. Department of Endocrinology, School of Medicine, Centro Traslacional de Endocrinología Universidad Católica (CETREN-UC), Pontificia Universidad Católica de Chile , 8330033 Santiago , Chile
4. Division of Endocrinology, Metabolism and Diabetes, First Department of Pediatrics, National and Kapodistrian University of Athens Medical School , Athens 11527 , Greece
5. Division of Endocrinology and Metabolism, Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens , Athens 11527 , Greece
6. Department of Hypertension, National Institute of Cardiology , 02-628 Warsaw , Poland
7. Department of Medicine 4, LMU University Hospital, LMU Munich , Munich D-80336 , Germany
8. Research Service, G. V. (Sonny) Montgomery VA Medical Center , Jackson, MS 39216 , United States
9. Department of Pharmacology and Toxicology, University of Mississippi Medical Center , Jackson, 39216 MS , United States
10. Endocrine Hypertension Research Centre, University of Queensland Frazer Institute, Greenslopes and Princess Alexandra Hospitals , Brisbane, 4102 Queensland , Australia
11. Departments of Clinical Epidemiology and Internal Medicine, Leiden University Medical Centre , 2311 Leiden , The Netherlands