1 From the Medizinische Klinik und Poliklinik IV, Klinikum der Ludwig-Maximilians-Universität München, Germany (E.T.A.P., M.R., T.A.W.); and Division of Internal Medicine and Hypertension, Department of Medical Sciences, University of Turin, Italy (J.B., T.A.W.).
2 From the Medizinische Klinik und Poliklinik IV, Klinikum der Ludwig-Maximilians-Universität München, Germany (E.T.A.P., M.R., T.A.W.); and Division of Internal Medicine and Hypertension, Department of Medical Sciences, University of Turin, Italy (J.B., T.A.W.). tracy.williams@med.uni-muenchen.de.