Natural language processing to identify lupus nephritis phenotype in electronic health records.

"Declarations Ethics approval and consent to participateThis study was a retrospective study of existing records. Ethics approval was provided by Northwestern University Institutional Review Board and Vanderbilt University Institutional Review Board. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding This work was supported by National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS 5R21AR072263), NIH/NIAMS R61 AR076824-01, NIH/NIAMS 1K08 AR072757-01 and Rheumatology Research Foundation K Supplement Award. This project is part of the Phase III of the eMERGE Network was initiated and funded by the NHGRI through the following grants: U01HG008672 (Vanderbilt University Medical Center); U01HG008680 (Columbia University Health Sciences); and U01HG008673 (Northwestern University). The publication fee will be charged through the eMERGE funding (U01HG008673). The funding body does not take part in the design of the study and collection, analysis, and interpretation of data and writing the manuscript."