Renal Electrolyte and Hypertension Division, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania
Correspondence: Dr. Volker H. Haase, Renal Electrolyte and Hypertension Division, Department of Medicine, University of Pennsylvania School of Medicine, 620 CRB, 415 Curie Boulevard, Philadelphia, PA 19104-6144. Phone: 215-573-2881; Fax: 215-746-5138; E-mail: [email protected]
