1. Nursing Service, VA Palo Alto Health Care System, USA
2. Betty Irene Moore School of Nursing, University of California, Davis, USA
3. Cardiology Service, VA Palo Alto Health Care System, USA
4. Department of Cardiovascular Medicine, Stanford University, USA
5. Health Sciences Libraries, University of California, Davis, USA
6. School of Nursing and Health Professions, University of San Francisco, San Francisco, USA