<unk>  is considered a very rare autoimmune disease. Only one study has estimated incidence and prevalence adults. In Denmark in 2016 the annual incidence was 1.8 per 1,000,000 person years, and the prevalence was 21.3 per 1,000,000 living persons. In pre-pubertal children the incidence has been estimated to be between 0.7 to 1.2 per 1,000,000 person-years.
Evans syndrome
Zaki syndrome
Walker–Warburg syndrome
Morvan's syndrome
Rabbit syndrome
Michels Caskey syndrome
Antley–Bixler syndrome
Branchio-oto-renal syndrome