https://www.sfndt.org/sites/www.sfndt.org/files/medias/documents/PNDS_SNI_Adulte_2023.pdf 2023 France practice guideline adulthood propping zerres syndrome no diagnosis nephrotic syndrome adult unknown (origin) Clinical Study Protocol Date of Diagnosis Legal Adult diagnosis On Study How True Feel Carefree Right Now nursing Idiopathic Nephrotic Syndrome Diagnosis Study Propping Zerres syndrome nephrotic syndrome, nos Healthcare Care Healthcare Activity Diagnosis Code