1. From the Blood Pressure Unit, Beaumont Hospital (A.S., E.O.), Dublin, Ireland; the Department of Clinical Pharmacology, Royal College of Surgeons in Ireland (A.S., E.O.), Dublin, Ireland; Clinical Research, Speedel Pharma AG (C.J.), Basel, Switzerland; and the Division of Hypertension and Vascular Medicine, University Hospital (J.N.), Lausanne, Switzerland.