1. School of Nursing, Columbia University, New York, New York.
2. College of Nursing, University of Florida, Gainesville, Florida.
3. New York State Psychiatric Institute, New York, New York.
4. Center for Home Care Policy & Research, Visiting Nurse Service of New York, New York, New York.
5. Division of Nursing, Midwifery and Social Work, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom.