1. Department of Health Behavior and Biological Sciences, University of Michigan School of Nursing, Ann Arbor, Michigan, USA.
2. School of Nursing, University of Michigan, Ann Arbor, Michigan, USA.
3. Division of Hematology/Oncology, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan, USA.
4. Department of Pediatrics, University of Michigan Medical School, Ann Arbor, Michigan, USA.
5. School of Social Work, University of Michigan, Ann Arbor, Michigan, USA.
6. College of Nursing, The University of Tennessee, Knoxville, Tennessee, USA.