Keywords: AIBD, autoimmune bullous diseases; BP, bullous pemphigoid; ELISA, enzyme-linked immunosorbent assay; GVHD, graft-versus-host disease; HBV, hepatitis B virus; PF, pemphigus foliaceus; PV, pemphigus vulgaris; autoimmune bullous disease; blistering disorder; dyspigmentation; pemphigoid; pemphigus; skin of color.