1. University of Michigan Medical School; Ann Arbor Michigan
2. Department of Surgery; Catholic University; Rome Italy
3. Alliance for Vascular Access Teaching and Research, National Health and Medical Research Council Centre of Research Excellence in Nursing Interventions, and Centre for Health Practice Innovation, Griffith University; Brisbane Australia
4. Patient Safety Enhancement Program and Center for Clinical Management Research of the Ann Arbor VA Medical Center and the Department of General Internal Medicine, University of Michigan Health System; Ann Arbor Michigan