[1] Univ New Mexico, Dept Med, Albuquerque, NM 87131 USA
[2] George Washington Univ, Sch Nursing, Washington, DC USA
[3] Med Technol & Practice Patterns Inst, Bethesda, MD USA
[4] Pacific Inst Res & Evaluat, Cullowhee, NC USA
[5] Support Kidney Care, Springfield, MA 01107 USA
[6] Renal & Transplant Associates New England PC, Springfield, MA 01107 USA
[7] George Washington Univ, Ctr Aging Hlth & Humanities, Washington, DC USA