Plasma Kidney Injury Molecule-1 in Systemic Lupus Erythematosus: Discordance Between ELISA and Proximity Extension Assay oleh Insa M. Schmidt, MD, MPH, Mia R. Colona, BS, Anand Srivastava, MD, MPH, Guanghao Yu, BA, Venkata Sabbisetti, PhD, Joseph V. Bonventre, MD, PhD, Sushrut S. Waikar, MD, MPH