C3 and leukodystrophy: Beta 2 GP 1 antibodies (>ULN)Lupus anticoagulant (>ULN)Cardiolipin antibodies (>ULN)Complement C1/C3/C4 (ANA (>1:160)SSA (>ULN)SSB (>ULN)cANCA (>ULN)pANCA (>ULN)ACE (>ULN)sIL2-R (>ULN)Neopterin (>ULN)Lysozyme (>ULN)ESR (>50 mm/h)Vitamin B12 (Folic acid (creatinine (> 2ULN)GOT (>2 ULN)GPT (>2ULN)Proteinuria (>ULN)Immunoglobulins against Borrelia burgdorferiHIV testTreponema pallidum testSpecific tests for leukodystrophies