CD19 and laryngotracheoesophageal cleft: Level of CD19+CD24−CD38− new memory B cells (from CD19+ B cells) significantly decreased in the CHC-N, CHC-LC and CHC-HCC groups compared with the healthy controls in both the the diabetic patients ((p = 0.002, p = 0.03 and p < 0.0001, respectively), and the non-diabetic patients (p = 0.02, p = 0.005 and p = 0.001, respectively).