Proteinuria and Kidney Function Trajectories in Patients with Advanced CKD - Cheol Ho Park; Hyun Jun Hong; Hyung Woo Kim; Jung Tak Park; Tae Ik Chang; Tae-Hyun Yoo; Sue K. Park; Jung Soon Kim; Kyu-Beck Lee; Jong Cheol Jeong; Kook-Hwan Oh; Amanda H. Anderson; et al. (Clinical Journal of the American Society of Nephrology, 2026)