Effects of a Low-Protein Diet on Kidney Function in Patients With Chronic Kidney Disease: An Umbrella Review of Systematic Reviews and Meta-analyses of Randomized Controlled Trials. - Khosroshahi, Reza Amiri; Zare, Marzieh; Zeraattalab-Motlagh, Sheida; Kiany, Fatemeh; Talebi, Sepide; Mohammadi, Hamed (Nutrition Reviews, 2025)