Quality of Life and Physical Function in Older Patients on Dialysis: A Comparison of Assisted Peritoneal Dialysis with Hemodialysis - Lyasere, OU; Brown, EA; Johansson, L; Huson, L; Smee, J; Maxwell, AP; Farrington, K; Davenport, A (CLINICAL JOURNAL OF THE AMERICAN SOCIETY OF NEPHROLOGY, 2016)