title: Response to letter regarding article, "Six-minute walk is a better outcome measure than treadmill walking tests in therapeutic trials of patients with peripheral artery disease".
authors: Departments of Medicine and Preventive Medicine, Northwestern University's Feinberg School of Medicine, Chicago, IL.
authors: Mary M
authors: MM
authors: McDermott
authors: Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, MD.
authors: Jack M
authors: JM
authors: Guralnik
authors: Department of Family and Preventive Medicine, University of California at San Diego, San Diego, CA.
authors: Michael H
authors: MH
authors: Criqui
authors: Department of Preventive Medicine, Northwestern University's Feinberg School of Medicine, Chicago, IL.
authors: Kiang
authors: K
authors: Liu
authors: Department of Surgery, Northwestern University's Feinberg School of Medicine, Chicago, IL.
authors: Melina
authors: M
authors: Kibbe
authors: Longitudinal Studies Section, National Institute on Aging, Baltimore, MD.
authors: Luigi
authors: L
authors: Ferrucci
mesh_terms: D005080:Exercise Test / Q000379:methods*; D006801:Humans; D007383:Intermittent Claudication / Q000503:physiopathology*; D058729:Peripheral Arterial Disease / Q000503:physiopathology*