Intraindividual variations of urinary biomarkers in hospitalized children with glomerular diseases: a prospective observational study.

"Declarations Ethics approvalThe study was performed in line with the principles of the Declaration of Helsinki and was approved by Ethics Committee of Peking University First Hospital (Approval No. 2019–143). Consent to participateWritten informed consent to participate in this study was provided by participants’ parents or guardians. Conflict of interestThe authors declare no competing interests. Conflict of interest The authors declare no competing interests."

"Funding This research was funded by the Beijing Natural Science Foundation (Z190023), the Capital Characteristic Clinical Application Research supported by Beijing Municipal Science & Technology Commission (Z181100001718134), Peking University Medicine Seed Fund for Interdisciplinary Research supported by “the Fundamental Research Funds for the Central Universities” (BMU2018MI015), and Beijing Key Laboratory of Molecular Diagnosis and Study on Pediatric Genetic Diseases (BZ0317). This work is partially supported by George M. O’Brien Michigan Kidney Translational Core Center, funded by NIH/NIDDK grant 2P30-DK-081943."