CALR and neonatal hemochromatosis: [2, 4, 13] Those autoantibodies are mainly Sjogren Syndrome type A (SSA/anti La) and Sjogren Syndrome type B (SSB/anti Ro) antibodies that have been described in the early 1990s in association with an unexplained neonatal hepatitis and neonatal hemochromatosis (NH) cases and were later found to be of maternal origin.