1. From Menzies Research Institute, University of Tasmania, Hobart, Australia (E.A.B., M.G.C., S.R.); Laboratory for Physiology, Institute for Cardiovascular Research, Vrije University, University Medical Center, Amsterdam, the Netherlands (E.C.E., I.K., G.P.v.N.A., R.M., P.S.); Department of Internal Medicine, Academic Hospital Maastricht, the Netherlands (C.D.A.S.).