1. S.R. O'Brien, PT, PhD, NCS, Department of Health & Human Services, Nazareth College, 4245 East Ave, Rochester, NY 14618 (USA). At the time of the study, Dr O'Brien was affiliated with the Department of Community and Preventive Medicine, University of Rochester, Rochester, New York.
2. Y. Xue, DNSc, RN, School of Nursing, University of Rochester.
3. G. Ingersoll, EdD, RN, FAAN, FNAP, was affiliated with the School of Nursing, University of Rochester, at the time the study was conducted.
4. A. Kelly, MD, Department of Neurology, Highland Hospital, University of Rochester School of Medicine, Rochester, New York.