1 Acting Director and Scientific Director, National Institute of Nursing, Research, National Institutes of Health, Bethesda, MD, USA.
2 Associate Professor and Director of the Pless Center for Nursing Research, New York University, Rory Meyers College of Nursing, and President, Eastern Nursing Research Society, New York, NY, USA.
3 Health Science Policy Analyst/Science Writer, National Institute of Nursing Research, National Institutes of Health, Bethesda, MD, USA.