DNA BRASS COPPAR PROSET-HD (PROfiling of cell subSETs in Human Disease) Repository BWH Arthritis Biorepository BWH Systemic Lupus Erythematosus (SLE) Biobank New Onset JIA Biorepository CARRA RA/MGB Biobank ORBIT MGB Biobank BCH Precision Link Biobank Crimson RNA BRASS COPPAR New Onset JIA Biorepository CARRA RA/MGB Biobank ORBIT MGB Biobank BCH Precision Link Biobank Crimson Plasma BRASS COPPAR PROSET-HD (PROfiling of cell subSETs in Human Disease) Repository BWH Arthritis Biorepository New Onset JIA Biorepository Rheumatic Diseases in Pedi CARRA RA/MGB Biobank ORBIT MGB Biobank BCH Precision Link Biobank Serum BRASS COPPAR PROSET-HD (PROfiling of cell subSETs in Human Disease) Repository BWH Arthritis Biorepository BWH Systemic Lupus Erythematosus (SLE) Biobank New Onset JIA Biorepository CARRA RA/MGB Biobank ORBIT MGB Biobank Cells PROSET-HD (PROfiling of cell subSETs in Human Disease) Repository BWH Arthritis Biorepository BWH Systemic Lupus Erythematosus (SLE) Biobank New Onset JIA Biorepository Rheumatic Diseases in Pedi CARRA Synovial fluid PROSET-HD (PROfiling of cell subSETs in Human Disease) Repository BWH Arthritis Biorepository New Onset JIA Biorepository Rheumatic Diseases in Pedi Tissue COPPAR BWH Arthritis Biorepository BCH Precision Link Biobank Crimson EHR data BRASS COPPAR PROSET-HD (PROfiling of cell subSETs in Human Disease) Repository BWH Systemic Lupus Erythematosus (SLE) Biobank New Onset JIA Biorepository Rheumatic Diseases in Pedi RA/MGB Biobank ORBIT MGB Biobank BCH Precision Link Biobank Survey data BRASS COPPAR BWH Systemic Lupus Erythematosus (SLE) Biobank CARRA RA/MGB Biobank ORBIT MGB Biobank Genotypes BRASS CARRA RA/MGB Biobank MGB Biobank BCH Precision Link Biobank Recruitment- Repeat BRASS COPPAR PROSET-HD (PROfiling of cell subSETs in Human Disease) Repository BWH Arthritis Biorepository New Onset JIA Biorepository Rheumatic Diseases in Pedi CARRA RA/MGB Biobank ORBIT MGB Biobank BCH Precision Link Biobank Recruitment- New BRASS COPPAR PROSET-HD (PROfiling of cell subSETs in Human Disease) Repository New Onset JIA Biorepository Rheumatic Diseases in Pedi CARRA RA/MGB Biobank ORBIT MGB Biobank