Patient Demographics and Characteristics for the OcMMP and pSS Cohorts at Baseline. Direct Immunofluorescence (DIF) and Indirect Immunofluorescence (IIF) Refer to the Proportion of Patients Who Demonstrated the Linear Deposition of Immunoglobulin G, A, or Complement (C3) Along the Basement Membrane Zone (BMZ) or Had Measurable Titers of Immunoglobulin in the Serum, Respectively