IgA Nephropathy Patient Baseline Characteristics in the Sparsentan PROTECT Study oleh Jonathan Barratt, Brad Rovin, Muh Geot Wong, Charles E. Alpers, Stewart Bieler, Ping He, Jula Inrig, Radko Komers, Hiddo J.L. Heerspink, Alex Mercer, Irene L. Noronha, Jai Radhakrishnan, Michelle N. Rheault, William Rote, Howard Trachtman, Hernán Trimarchi, Vlado Perkovic