1. Common Variable Immunodeficiency (CVID)
2. Severe Combined Immunodeficiency (SCID)
3. Secondary antibody deficiencies
4. Systemic lupus erythematosus
5. Rheumatoid arthritis
6. Hereditary angioedema
7. Sjörgen´s syndrome
8. Vasculitides
9. Therapy of immunopathological conditions by using biological agents