GFR estimation in nephrotic patients: creatinine and/or cystatin-C based equations, or none of them? - Fabiola Carrara; Serenella Valaperta; Mariagrazia Alessio; Matias Trillini; Alessia Gennarini; Aura Crispino; Alessandro Villa; Tobia Peracchi; Daniela Cugini; Nadia Stucchi; Ilaria Pagani; Giuseppe Remuzzi; et al. (Clinical Kidney Journal, 2026)