CCR6 and laryngotracheoesophageal cleft: Overall, regardless of whether the B cells were harvested from the periphery or the spleen, the B cell subsets from LC patients, to varying extents, expressed higher levels of CD95, FcRL4, CD86, CD71, CD11c, CXCR3, and CCR6 than those from HC subjects (Fig. S2A–D and Fig. 2d–g).