SALL4 and Duane retraction syndrome: These included a partial deletion of MACF1 in syndromic sporadic CN6-palsy pedigree 98, which we reported during the course of this study,20 and a partial deletion of SALL4 in syndromic sporadic DRS pedigree ENG_DQ, whose phenotype was consistent with SALL4-associated conditions.1 See Table 1, Supplementary Table 7.