GAD1 and type 1 diabetes mellitus: Of note, the patient developed multiple autoimmune conditions: celiac disease when she was 5 years old, autoimmune thyroiditis and type 1 diabetes at 8 years of age, autoimmune erosive gastritis and limbic encephalitis with positive anti-GAD antibodies in cerebrospinal fluid, presenting with epileptic seizures when she was 10 years old.