1 Cheryl R. Dennison Himmelfarb, RN, ANP, PhD, FAHA, FPCNA, FAAN Associate Professor, School of Nursing, Department of Acute and Chronic Care, Johns Hopkins University, and School of Medicine, Division of Health Sciences Informatics, Johns Hopkins University, Baltimore, Maryland. Laura L. Hayman, PhD, RN, FAAN, FAHA Associate Vice-Provost for Research and Graduate Studies and Professor of Nursing, University of Massachusetts Boston.