1. Department of Biobehavioral Nursing and Health Informatics, University of Washington School of Nursing, Seattle (K.W.R.).
2. Division of Public Health Sciences, Fred Hutch Cancer Center, Seattle, WA (K.W.R.).
3. Department of Biomedical Engineering, College of Engineering (J.H.J.), Pauley Heart Center, Virginia Commonwealth University School of Medicine, Richmond.
4. Department of Internal Medicine, Division of Cardiology (J.H.J.), Pauley Heart Center, Virginia Commonwealth University School of Medicine, Richmond.