CXCL1 and retinal dystrophy, optic nerve edema, splenomegaly, anhidrosis, and migraine headache syndrome: Patients with ROSAH syndrome also demonstrated elevations of additional cytokines and chemokines including plasma CXCL10 (interferon gamma-induced protein 10 (IP-10)) and serum CXCL1 (GRO-alpha (previously known as neutrophil-activating protein 3)) (online supplemental figure 9b-c).