1. Acute and Continuing Care, University of Texas Health Sciences Center at Houston School of Nursing, Houston, Texas, USA
2. Department of Orthopedic Surgery, University of Texas Health Sciences Center at Houston Medical School, Houston, Texas, USA
3. Center for Nursing Research, University of Texas Health Sciences Center at Houston School of Nursing, Houston, Texas, USA
4. Nursing Systems, University of Texas Health Sciences Center at Houston School of Nursing, Houston, Texas, USA
5. National Institute of Health (NIH), Neuro-Oncology Branch, NCI/CCR, Bethesda, MD, USA