1 From the Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, United Kingdom (A.F.D.).
2 American Heart Association, Dallas, TX (D.K.).
3 Department of Medicine, Division of Nephrology, Stanford University, Palo Alto, CA (V.B.).
4 Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, MS (J.P.G.).
5 Loyola University Medical Center, Maywood, IL (K.A.G.).