The CLEVER investigators, co-authors and committee members were as follows - Principal investigators (in order of decreasing number of patients who were randomly assigned to a treatment group): T. Murphy, Rhode Island Hospital, Providence, RI; J. Ehrman, Henry Ford Hospital, Detroit, MI; V. Krishnamurthy, VA Ann Arbor, Ann Arbor, MI; J. Nadarajah, Aiyan Diabetes Center, Augusta, GA; A. T. Hirsch, University of Minnesota and Minneapolis Heart Institute Foundation, Minneapolis, MN; A. Comerota, Jobst Vascular Center, Toledo, OH; M. Lurie, Torrance Memorial Medical Center, Torrance, CA; W. Miller, Vascular Endovascular Specialists of Ohio, Mansfield, OH; O. Osinbowale, Ochsner Health Center, Metairie, LA; S. Cavalieri, Providence Medical Research Center, Spokane, WA; M. Razavi, St. Joseph Hospital, Orange, CA; R. Workman, Forsyth Medical Center, Winston-Salem, NC; R. Berry, Capital Health, Nova Scotia, Canada; E. Ratchford, Johns Hopkins, Baltimore, MD; A. Tassiopoulos, Stony Brook, NY; E. Mohler, University of Pennsylvania, Philadelphia, PA; W. Abernethy, Asheville Cardiology, Asheville, NC; J. Matsuura, Iowa Clinic, Des Moines, IA; J. Kaufman, Oregon Health Science University, Portland, OR; J. Martinez, Peripheral Vascular Associates, San Antonio, TX; M. Moursi, VA Central Arkansas, Little Rock, AR; F. Bech, VA Palo Alto, Palo Alto, CA; Co-authors: D.E. Cutlip, Beth Israel Deaconess Medical Center, Harvard Clinical Research Institute, Boston, MA; J.G. Regensteiner, University of Colorado Denver School of Medicine, Aurora, CO; E.R. Mohler III, Vascular Medicine University of Pennsylvania, Philadelphia, PA; D.J. Cohen, St. Lukes Mid America Heart Institute, Kansas, MO; M.R. Reynolds, Harvard Medical School, Harvard Clinical Research Institute, Boston, MA; E.A. Lewis, University of Minnesota School of Kinesiology, Minneapolis, MN; J.V. Cerezo, Vascular Disease Research Center, Rhode Island Hospital, RI; N.C. Oldenburg, Cardiovascular Division, University of Minnesota, Minneapolis, MN; C.C. Thum, Harvard Clinical Research Institute, Boston, MA; S.Goldberg, National Heart, Lung, Blood Institute, Bethesda, MD; M. Jaff, Massachusetts General Hospital, Boston, MA; J.K. Ehrman, Preventive Cardiology Henry Ford Hospital, Detroit, MI; D.T. Badenhop, University of Toledo Medical Center, Toledo, OH; D. Treat-Jacobson, University of Minnesota School of Nursing, Minneapolis, MN; M.E. Walsh, University of Toledo College of Nursing, Toledo, OH; T. Collins, General Internal Medicine University of Minnesota, Minneapolis, MN; M.W. Steffes, University of Minnesota Laboratory Medicine and Pathology, Minneapolis, MN; A.T. Hirsch, Vascular Medicine Program, Lillehei Heart Institute, Cardiovascular Division, University of Minnesota Medical School, Minneapolis, MN; Steering Committee: A. T. Hirsch (chair), T. P. Murphy, J. G. Regensteiner, M. Jaff, D.J. Cohen, A.J. Comerota, D.E. Cutlip, E.R. Mohler, E.A. Lewis, M.W. Steffes, S. Goldberg; Exercise Training Committee: J.G. Regensteiner (chair), E.A. Lewis, A. Ershaw, D. Treat-Jacobson, T. Collins, D.T. Badenhop, J.K. Ehrman, M.E. Walsh, U. Bronas, N.C. Oldenburg; Risk Factor Committee: Emile R. Mohler III, Mark Lurie, MD, Teresa Caulin-Glaser, MD, Yung-Wei Chi, MD, Abby Ershow, PhD; Data and Safety Monitoring Board: T.A. Pearson (chair), B.H. Annex, M. Hlatky, M.T. Hughes, M.M. Brooks, R.J. Powell, A. Roberts, J.A. Vita.