1. From The Hypertension Center, The Bowman Gray School of Medicine of Wake Forest University, Winston-Salem, NC (A.M., E.A.T., K.M., C.M.F.); DuPont Merck Pharmaceutical Co, Cardiovascular Disease Research, Wilmington, Del (T.M.R., H.W.); and the Max-Delbrück-Centrum für Molekulare Medizin (MDC), Berlin-Buch, Germany (D.G.).