1. School of Nursing, University of Michigan; institute of Geronntology, University of Michigan Medical Center, Ann Arbor, Michigan
2. Research and Evaluation, University of Arkansas for Medical Sciences, Little Rock, Arkansas
3. Department of Nursing, Wilkes University, Wilkes Barre, Pennsylvania
4. School of Nursing; Geriatric Center, University of Michigan, Ann Arbor, Michigan
5. University of Michigan, School of Medicine, Ann Arbor Michigan
6. University of Arkansas for Medical Sciences, Little Rock, Arkansas
7. Department of Nursing Sciences, James Cook University, Townsville, Queensland, Australia