Immunosuppressive and immunomodulatory agents	Total number of patients n (%)	Autoimmune diseases with chronic immunomodulatory therapy n (%)	Hematological malignancies n (%)	Solid tumors, Organ transplants n (%)	Sarcoidosis n (%)	Mixed connective tissue disease n (%)
Natalizumab	5/37 (13,5)	5/6 (83)	0 (0)	0 (0)	0 (0)	0 (0)
Allogenic stem cell transplantation	2/37 (5)	0 (0)	2/6 (33)	0 (0)	0 (0)	0 (0)
Other immunosuppressive agents
Combination chemotherapy*	5/37 (13,5)	0 (0)	5/6 (83)	1/2 (50)	0 (0)	0 (0)
Prednisolon only	1/37 (3)	0 (0)	0 (0)	0 (0)	1/5 (3)	0 (0)
Tacrolimus	1/37 (3)	0 (0)	0 (0)	1/2 (50)	0 (0)	0 (0)
Azathioprine	3/37 (8)	1/6 (17)	0 (0)	0 (0)	1/5 (3)	1/1 (100)
Methotrexate	1/37 (3)	0 (0)	0 (0)	0 (0)	1/5 (3)	0 (0)

^aHIV/ AIDS, Human immunodeficiency virus/ Acquired Immune Deficiency Syndrome.

^bPSC, primary sclerosing cholangitis; AIH, autoimmune Hepatitis.

^*One patient was diagnosed with both, a solid tumor and a hematological malignancy.