1. From the Centro de Nefrología and Departamento de Fisiopatología (J.B.), Hospital de Clínicas, Universidad de la República, Montevideo, Uruguay; the Studies Coordinating Centre (J.B., L.T., T.R., T.K., J.A.S.), Division of Hypertension and Cardiovascular Rehabilitation, Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium; Research Center for Prevention and Health and Department of Clinical Physiology (T.W.H.), Nuclear Medicine and PET, Copenhagen University Hospital, Faculty...